57719868 has 24 divisors (see below), whose sum is σ = 135187920. Its totient is φ = 19167360.

The previous prime is 57719867. The next prime is 57719873. The reversal of 57719868 is 86891775.

It is a self number, because there is not a number n which added to its sum of digits gives 57719868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57719863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5713 + ... + 12168.

It is an arithmetic number, because the mean of its divisors is an integer number (5632830).

Almost surely, 2^57719868 is an apocalyptic number.

It is an amenable number.

57719868 is an abundant number, since it is smaller than the sum of its proper divisors (77468052).

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

57719868 is a wasteful number, since it uses less digits than its factorization.

57719868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18157 (or 18155 counting only the distinct ones).

The product of its digits is 846720, while the sum is 51.

The square root of 57719868 is about 7597.3592780650. The cubic root of 57719868 is about 386.4634647073.

The spelling of 57719868 in words is "fifty-seven million, seven hundred nineteen thousand, eight hundred sixty-eight".