2027777748 has 72 divisors (see below), whose sum is σ = 5162344992. Its totient is φ = 618932736.

The previous prime is 2027777747. The next prime is 2027777749. The reversal of 2027777748 is 8477777202.

It is an interprime number because it is at equal distance from previous prime (2027777747) and next prime (2027777749).

It is a super-2 number, since 2×2027777748² = 8223765190567903008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 2027777748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027777747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120415 + ... + 136217.

It is an arithmetic number, because the mean of its divisors is an integer number (71699236).

Almost surely, 2^2027777748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2027777748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2581172496).

2027777748 is an abundant number, since it is smaller than the sum of its proper divisors (3134567244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2027777748 is a wasteful number, since it uses less digits than its factorization.

2027777748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15881 (or 15862 counting only the distinct ones).

The product of its (nonzero) digits is 2151296, while the sum is 51.

The square root of 2027777748 is about 45030.8532897168. The cubic root of 2027777748 is about 1265.7272135001.

The spelling of 2027777748 in words is "two billion, twenty-seven million, seven hundred seventy-seven thousand, seven hundred forty-eight".