57779807232 has 176 divisors, whose sum is σ = 176301919872. Its totient is φ = 16480665600.

The previous prime is 57779807227. The next prime is 57779807233. The reversal of 57779807232 is 23270897775.

It is a happy number.

It is a super-2 number, since 2×57779807232² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57779807233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15072388 + ... + 15076220.

Almost surely, 2^57779807232 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 57779807232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88150959936).

57779807232 is an abundant number, since it is smaller than the sum of its proper divisors (118522112640).

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

57779807232 is a wasteful number, since it uses less digits than its factorization.

57779807232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564 (or 4546 counting only the distinct ones).

The product of its (nonzero) digits is 10372320, while the sum is 57.

The spelling of 57779807232 in words is "fifty-seven billion, seven hundred seventy-nine million, eight hundred seven thousand, two hundred thirty-two".