79444460485 has 12 divisors (see below), whose sum is σ = 103230791172. Its totient is φ = 58666677888.

The previous prime is 79444460479. The next prime is 79444460507. The reversal of 79444460485 is 58406444497.

It can be written as a sum of positive squares in 6 ways, for example, as 15519428929 + 63925031556 = 124577^2 + 252834^2 .

It is not a de Polignac number, because 79444460485 - 2⁷ = 79444460357 is a prime.

It is a super-2 number, since 2×79444460485² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 47007712 + ... + 47009401.

It is an arithmetic number, because the mean of its divisors is an integer number (8602565931).

Almost surely, 2^79444460485 is an apocalyptic number.

It is an amenable number.

79444460485 is a deficient number, since it is larger than the sum of its proper divisors (23786330687).

79444460485 is a wasteful number, since it uses less digits than its factorization.

79444460485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94017144 (or 94017131 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 79444460485 in words is "seventy-nine billion, four hundred forty-four million, four hundred sixty thousand, four hundred eighty-five".