258879978852 has 48 divisors (see below), whose sum is σ = 659932261632. Its totient is φ = 78333592480.

The previous prime is 258879978673. The next prime is 258879978881.

258879978852 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1345578 + ... + 1525889.

It is an arithmetic number, because the mean of its divisors is an integer number (13748588784).

Almost surely, 2^258879978852 is an apocalyptic number.

258879978852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

258879978852 is an abundant number, since it is smaller than the sum of its proper divisors (401052282780).

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

258879978852 is a wasteful number, since it uses less digits than its factorization.

258879978852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872168 (or 2872166 counting only the distinct ones).

The product of its digits is 1625702400, while the sum is 78.

The spelling of 258879978852 in words is "two hundred fifty-eight billion, eight hundred seventy-nine million, nine hundred seventy-eight thousand, eight hundred fifty-two".