557378258931 has 24 divisors (see below), whose sum is σ = 872044629456. Its totient is φ = 341019322560.

The previous prime is 557378258891. The next prime is 557378258951. The reversal of 557378258931 is 139852873755.

557378258931 is a `hidden beast` number, since 5 + 5 + 7 + 378 + 258 + 9 + 3 + 1 = 666.

557378258931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 557378258931 - 2⁷ = 557378258803 is a prime.

It is a super-2 number, since 2×557378258931² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557378258951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13748305 + ... + 13788786.

It is an arithmetic number, because the mean of its divisors is an integer number (36335192894).

Almost surely, 2^557378258931 is an apocalyptic number.

557378258931 is a deficient number, since it is larger than the sum of its proper divisors (314666370525).

557378258931 is a wasteful number, since it uses less digits than its factorization.

557378258931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27537283 (or 27537280 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 63.

The spelling of 557378258931 in words is "five hundred fifty-seven billion, three hundred seventy-eight million, two hundred fifty-eight thousand, nine hundred thirty-one".