57777672 has 16 divisors (see below), whose sum is σ = 144444240. Its totient is φ = 19259216.

The previous prime is 57777661. The next prime is 57777673. The reversal of 57777672 is 27677775.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57777673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203678 + ... + 1203725.

It is an arithmetic number, because the mean of its divisors is an integer number (9027765).

Almost surely, 2^57777672 is an apocalyptic number.

It is an amenable number.

57777672 is an abundant number, since it is smaller than the sum of its proper divisors (86666568).

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

57777672 is a wasteful number, since it uses less digits than its factorization.

57777672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407412 (or 2407408 counting only the distinct ones).

The product of its digits is 1008420, while the sum is 48.

The square root of 57777672 is about 7601.1625426641. The cubic root of 57777672 is about 386.5924305891.

The spelling of 57777672 in words is "fifty-seven million, seven hundred seventy-seven thousand, six hundred seventy-two".