2578908866704 has 20 divisors (see below), whose sum is σ = 5259616768240. Its totient is φ = 1221588410400.

The previous prime is 2578908866689. The next prime is 2578908866713. The reversal of 2578908866704 is 4076688098752.

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, 4241626122 + ... + 4241626729.

It is an arithmetic number, because the mean of its divisors is an integer number (262980838412).

Almost surely, 2^{2578908866704} is an apocalyptic number.

It is an amenable number.

2578908866704 is an abundant number, since it is smaller than the sum of its proper divisors (2680707901536).

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

2578908866704 is a wasteful number, since it uses less digits than its factorization.

2578908866704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483252878 (or 8483252872 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 70.

The spelling of 2578908866704 in words is "two trillion, five hundred seventy-eight billion, nine hundred eight million, eight hundred sixty-six thousand, seven hundred four".