28520058258 has 64 divisors (see below), whose sum is σ = 63996426240. Its totient is φ = 9414306000.

The previous prime is 28520058233. The next prime is 28520058269. The reversal of 28520058258 is 85285002582.

28520058258 is a `hidden beast` number, since 28 + 520 + 0 + 58 + 2 + 58 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2693691 + ... + 2704257.

It is an arithmetic number, because the mean of its divisors is an integer number (999944160).

Almost surely, 2^28520058258 is an apocalyptic number.

28520058258 is an abundant number, since it is smaller than the sum of its proper divisors (35476367982).

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

28520058258 is a wasteful number, since it uses less digits than its factorization.

28520058258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11060 (or 11054 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 45.

The spelling of 28520058258 in words is "twenty-eight billion, five hundred twenty million, fifty-eight thousand, two hundred fifty-eight".