76959679905 has 20 divisors (see below), whose sum is σ = 137957352852. Its totient is φ = 41045162400.

The previous prime is 76959679879. The next prime is 76959679961. The reversal of 76959679905 is 50997695967.

It can be written as a sum of positive squares in 2 ways, for example, as 27650368656 + 49309311249 = 166284^2 + 222057^2 .

It is not a de Polignac number, because 76959679905 - 2¹³ = 76959671713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 95011546 + ... + 95012355.

Almost surely, 2^76959679905 is an apocalyptic number.

It is an amenable number.

76959679905 is a deficient number, since it is larger than the sum of its proper divisors (60997672947).

76959679905 is a wasteful number, since it uses less digits than its factorization.

76959679905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190023918 (or 190023909 counting only the distinct ones).

The product of its (nonzero) digits is 289340100, while the sum is 72.

The spelling of 76959679905 in words is "seventy-six billion, nine hundred fifty-nine million, six hundred seventy-nine thousand, nine hundred five".