258908901128 has 32 divisors (see below), whose sum is σ = 495840787200. Its totient is φ = 126685333632.

The previous prime is 258908901107. The next prime is 258908901143. The reversal of 258908901128 is 821109809852.

It is a self number, because there is not a number n which added to its sum of digits gives 258908901128.

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, 3637901 + ... + 3708387.

It is an arithmetic number, because the mean of its divisors is an integer number (15495024600).

Almost surely, 2^258908901128 is an apocalyptic number.

It is an amenable number.

258908901128 is a deficient number, since it is larger than the sum of its proper divisors (236931886072).

258908901128 is a wasteful number, since it uses less digits than its factorization.

258908901128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80309 (or 80305 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 53.

The spelling of 258908901128 in words is "two hundred fifty-eight billion, nine hundred eight million, nine hundred one thousand, one hundred twenty-eight".