258063864 has 32 divisors (see below), whose sum is σ = 673211520. Its totient is φ = 82281056.

The previous prime is 258063709. The next prime is 258063899. The reversal of 258063864 is 468360852.

It is a super-2 number, since 2×258063864² = 133193915805220992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233202 + ... + 234305.

It is an arithmetic number, because the mean of its divisors is an integer number (21037860).

Almost surely, 2^258063864 is an apocalyptic number.

258063864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

258063864 is an abundant number, since it is smaller than the sum of its proper divisors (415147656).

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

258063864 is a wasteful number, since it uses less digits than its factorization.

258063864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467539 (or 467535 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 258063864 is about 16064.3662806847. The cubic root of 258063864 is about 636.6621994089.

The spelling of 258063864 in words is "two hundred fifty-eight million, sixty-three thousand, eight hundred sixty-four".