258478679232 has 112 divisors (see below), whose sum is σ = 760019795680. Its totient is φ = 86143647744.

The previous prime is 258478679227. The next prime is 258478679243. The reversal of 258478679232 is 232976874852.

258478679232 is a `hidden beast` number, since 258 + 4 + 7 + 86 + 79 + 232 = 666.

It is a super-2 number, since 2×258478679232² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258478679232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12764988 + ... + 12785220.

Almost surely, 2^258478679232 is an apocalyptic number.

It is an amenable number.

258478679232 is an abundant number, since it is smaller than the sum of its proper divisors (501541116448).

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

258478679232 is a wasteful number, since it uses less digits than its factorization.

258478679232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27647 (or 27631 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 258478679232 in words is "two hundred fifty-eight billion, four hundred seventy-eight million, six hundred seventy-nine thousand, two hundred thirty-two".