12587979076 has 24 divisors (see below), whose sum is σ = 22812998040. Its totient is φ = 6070444800.

The previous prime is 12587979049. The next prime is 12587979077. The reversal of 12587979076 is 67097978521.

It can be written as a sum of positive squares in 4 ways, for example, as 6468984900 + 6118994176 = 80430^2 + 78224^2 .

It is not an unprimeable number, because it can be changed into a prime (12587979077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51496 + ... + 166816.

It is an arithmetic number, because the mean of its divisors is an integer number (950541585).

Almost surely, 2^12587979076 is an apocalyptic number.

It is an amenable number.

12587979076 is a deficient number, since it is larger than the sum of its proper divisors (10225018964).

12587979076 is a wasteful number, since it uses less digits than its factorization.

12587979076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116295 (or 116293 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 61.

The spelling of 12587979076 in words is "twelve billion, five hundred eighty-seven million, nine hundred seventy-nine thousand, seventy-six".