57977998 has 16 divisors (see below), whose sum is σ = 96679296. Its totient is φ = 25895520.

The previous prime is 57977971. The next prime is 57978013. The reversal of 57977998 is 89977975.

It is a super-2 number, since 2×57977998² = 6722896504176008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35161 + ... + 36772.

It is an arithmetic number, because the mean of its divisors is an integer number (6042456).

Almost surely, 2^57977998 is an apocalyptic number.

57977998 is a deficient number, since it is larger than the sum of its proper divisors (38701298).

57977998 is a wasteful number, since it uses less digits than its factorization.

57977998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71979.

The product of its digits is 10001880, while the sum is 61.

The square root of 57977998 is about 7614.3284667789. The cubic root of 57977998 is about 387.0387113045.

The spelling of 57977998 in words is "fifty-seven million, nine hundred seventy-seven thousand, nine hundred ninety-eight".