258328872 has 64 divisors (see below), whose sum is σ = 759801600. Its totient is φ = 81043200.

The previous prime is 258328843. The next prime is 258328879. The reversal of 258328872 is 278823852.

258328872 is a `hidden beast` number, since 258 + 328 + 8 + 72 = 666.

258328872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×258328872² = 133467612217584768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (258328879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31504 + ... + 38847.

It is an arithmetic number, because the mean of its divisors is an integer number (11871900).

Almost surely, 2^258328872 is an apocalyptic number.

It is an amenable number.

258328872 is an abundant number, since it is smaller than the sum of its proper divisors (501472728).

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

258328872 is a wasteful number, since it uses less digits than its factorization.

258328872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70383 (or 70373 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 258328872 is about 16072.6124821076. The cubic root of 258328872 is about 636.8800561478.

The spelling of 258328872 in words is "two hundred fifty-eight million, three hundred twenty-eight thousand, eight hundred seventy-two".