2579788556 has 36 divisors (see below), whose sum is σ = 4803685488. Its totient is φ = 1212027648.

The previous prime is 2579788543. The next prime is 2579788571. The reversal of 2579788556 is 6558879752.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 892145 + ... + 895031.

It is an arithmetic number, because the mean of its divisors is an integer number (133435708).

Almost surely, 2^2579788556 is an apocalyptic number.

It is an amenable number.

2579788556 is a deficient number, since it is larger than the sum of its proper divisors (2223896932).

2579788556 is a wasteful number, since it uses less digits than its factorization.

2579788556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698 (or 3679 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 62.

The square root of 2579788556 is about 50791.6189543117. The cubic root of 2579788556 is about 1371.4965010107.

The spelling of 2579788556 in words is "two billion, five hundred seventy-nine million, seven hundred eighty-eight thousand, five hundred fifty-six".