258011478 has 12 divisors (see below), whose sum is σ = 559024908. Its totient is φ = 86003820.

The previous prime is 258011477. The next prime is 258011497. The reversal of 258011478 is 874110852.

258011478 is a `hidden beast` number, since 2 + 580 + 1 + 1 + 4 + 78 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258011477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7166968 + ... + 7167003.

It is an arithmetic number, because the mean of its divisors is an integer number (46585409).

Almost surely, 2^258011478 is an apocalyptic number.

258011478 is an abundant number, since it is smaller than the sum of its proper divisors (301013430).

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

258011478 is a wasteful number, since it uses less digits than its factorization.

258011478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14333979 (or 14333976 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 258011478 is about 16062.7356947688. The cubic root of 258011478 is about 636.6191164777.

The spelling of 258011478 in words is "two hundred fifty-eight million, eleven thousand, four hundred seventy-eight".