79586494945 has 16 divisors (see below), whose sum is σ = 96383608272. Its totient is φ = 63083059200.

The previous prime is 79586494921. The next prime is 79586494963. The reversal of 79586494945 is 54949468597.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5223386529 + 74363108416 = 72273^2 + 272696^2 .

It is not a de Polignac number, because 79586494945 - 2¹¹ = 79586492897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1644595 + ... + 1692295.

It is an arithmetic number, because the mean of its divisors is an integer number (6023975517).

Almost surely, 2^79586494945 is an apocalyptic number.

It is an amenable number.

79586494945 is a deficient number, since it is larger than the sum of its proper divisors (16797113327).

79586494945 is a wasteful number, since it uses less digits than its factorization.

79586494945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50772.

The product of its digits is 391910400, while the sum is 70.

The spelling of 79586494945 in words is "seventy-nine billion, five hundred eighty-six million, four hundred ninety-four thousand, nine hundred forty-five".