2770788888 has 144 divisors (see below), whose sum is σ = 8754174000. Its totient is φ = 789409152.

The previous prime is 2770788859. The next prime is 2770788899. The reversal of 2770788888 is 8888870772.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1547898 + ... + 1549686.

It is an arithmetic number, because the mean of its divisors is an integer number (60792875).

Almost surely, 2^2770788888 is an apocalyptic number.

2770788888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2770788888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4377087000).

2770788888 is an abundant number, since it is smaller than the sum of its proper divisors (5983385112).

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

2770788888 is a wasteful number, since it uses less digits than its factorization.

2770788888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254 (or 2240 counting only the distinct ones).

The product of its (nonzero) digits is 22478848, while the sum is 63.

The square root of 2770788888 is about 52638.2834826517. The cubic root of 2770788888 is about 1404.5411871346.

The spelling of 2770788888 in words is "two billion, seven hundred seventy million, seven hundred eighty-eight thousand, eight hundred eighty-eight".