258768535804 has 12 divisors (see below), whose sum is σ = 452968253584. Its totient is φ = 129349034784.

The previous prime is 258768535783. The next prime is 258768535829. The reversal of 258768535804 is 408535867852.

It is a super-2 number, since 2×258768535804² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8791752 + ... + 8821135.

Almost surely, 2^258768535804 is an apocalyptic number.

It is an amenable number.

258768535804 is a deficient number, since it is larger than the sum of its proper divisors (194199717780).

258768535804 is a wasteful number, since it uses less digits than its factorization.

258768535804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17616564 (or 17616562 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 61.

The spelling of 258768535804 in words is "two hundred fifty-eight billion, seven hundred sixty-eight million, five hundred thirty-five thousand, eight hundred four".