258613824868 has 24 divisors (see below), whose sum is σ = 518065978752. Its totient is φ = 110654854464.

The previous prime is 258613824829. The next prime is 258613824869. The reversal of 258613824868 is 868428316852.

It is a super-2 number, since 2×258613824868² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (258613824869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7467496 + ... + 7502047.

It is an arithmetic number, because the mean of its divisors is an integer number (21586082448).

Almost surely, 2^258613824868 is an apocalyptic number.

258613824868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

258613824868 is an abundant number, since it is smaller than the sum of its proper divisors (259452153884).

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

258613824868 is a wasteful number, since it uses less digits than its factorization.

258613824868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14970171 (or 14970169 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 61.

The spelling of 258613824868 in words is "two hundred fifty-eight billion, six hundred thirteen million, eight hundred twenty-four thousand, eight hundred sixty-eight".