2578979196 has 24 divisors (see below), whose sum is σ = 6686242640. Its totient is φ = 859659696.

The previous prime is 2578979153. The next prime is 2578979201. The reversal of 2578979196 is 6919798752.

2578979196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2578979196² = 13302267386801612832, which contains 22 as substring.

It is a congruent number.

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, 11939611 + ... + 11939826.

Almost surely, 2^2578979196 is an apocalyptic number.

It is an amenable number.

2578979196 is an abundant number, since it is smaller than the sum of its proper divisors (4107263444).

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

2578979196 is a wasteful number, since it uses less digits than its factorization.

2578979196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23879450 (or 23879442 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 63.

The square root of 2578979196 is about 50783.6508730910. The cubic root of 2578979196 is about 1371.3530589561.

The spelling of 2578979196 in words is "two billion, five hundred seventy-eight million, nine hundred seventy-nine thousand, one hundred ninety-six".