2858939815884 has 12 divisors (see below), whose sum is σ = 6670859570424. Its totient is φ = 952979938624.

The previous prime is 2858939815867. The next prime is 2858939815939. The reversal of 2858939815884 is 4885189398582.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119122492317 + ... + 119122492340.

It is an arithmetic number, because the mean of its divisors is an integer number (555904964202).

Almost surely, 2^{2858939815884} is an apocalyptic number.

It is an amenable number.

2858939815884 is an abundant number, since it is smaller than the sum of its proper divisors (3811919754540).

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

2858939815884 is a wasteful number, since it uses less digits than its factorization.

2858939815884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238244984664 (or 238244984662 counting only the distinct ones).

The product of its digits is 1592524800, while the sum is 78.

The spelling of 2858939815884 in words is "two trillion, eight hundred fifty-eight billion, nine hundred thirty-nine million, eight hundred fifteen thousand, eight hundred eighty-four".