5227257780 has 96 divisors (see below), whose sum is σ = 16468569600. Its totient is φ = 1376279424.

The previous prime is 5227257697. The next prime is 5227257781. The reversal of 5227257780 is 877527225.

5227257780 is a `hidden beast` number, since 5 + 2 + 2 + 72 + 577 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5227257781) 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 31 ways as a sum of consecutive naturals, for example, 18607 + ... + 103926.

It is an arithmetic number, because the mean of its divisors is an integer number (171547600).

Almost surely, 2^5227257780 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 5227257780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8234284800).

5227257780 is an abundant number, since it is smaller than the sum of its proper divisors (11241311820).

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

5227257780 is a wasteful number, since it uses less digits than its factorization.

5227257780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122630 (or 122622 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The square root of 5227257780 is about 72299.7771780799. Note that the first 3 decimals coincide. The cubic root of 5227257780 is about 1735.5000847870.

The spelling of 5227257780 in words is "five billion, two hundred twenty-seven million, two hundred fifty-seven thousand, seven hundred eighty".