57698922438 has 24 divisors (see below), whose sum is σ = 125028437976. Its totient is φ = 19230804000.

The previous prime is 57698922433. The next prime is 57698922451. The reversal of 57698922438 is 83422989675.

57698922438 is a `hidden beast` number, since 57 + 69 + 8 + 92 + 2 + 438 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57698922433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12663 + ... + 339938.

It is an arithmetic number, because the mean of its divisors is an integer number (5209518249).

Almost surely, 2^57698922438 is an apocalyptic number.

57698922438 is an abundant number, since it is smaller than the sum of its proper divisors (67329515538).

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

57698922438 is a wasteful number, since it uses less digits than its factorization.

57698922438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361700 (or 361697 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 57698922438 in words is "fifty-seven billion, six hundred ninety-eight million, nine hundred twenty-two thousand, four hundred thirty-eight".