79662465 has 12 divisors (see below), whose sum is σ = 138081684. Its totient is φ = 42486624.

The previous prime is 79662461. The next prime is 79662503. The reversal of 79662465 is 56426697.

It can be written as a sum of positive squares in 2 ways, for example, as 52664049 + 26998416 = 7257^2 + 5196^2 .

It is not a de Polignac number, because 79662465 - 2² = 79662461 is a prime.

It is a super-2 number, since 2×79662465² = 12692216659752450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1770277 = 79662465 / (7 + 9 + 6 + 6 + 2 + 4 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 79662465.

It is not an unprimeable number, because it can be changed into a prime (79662461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 885094 + ... + 885183.

It is an arithmetic number, because the mean of its divisors is an integer number (11506807).

Almost surely, 2^79662465 is an apocalyptic number.

It is an amenable number.

79662465 is a deficient number, since it is larger than the sum of its proper divisors (58419219).

79662465 is a wasteful number, since it uses less digits than its factorization.

79662465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770288 (or 1770285 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 79662465 is about 8925.3831850515. The cubic root of 79662465 is about 430.2800861363.

The spelling of 79662465 in words is "seventy-nine million, six hundred sixty-two thousand, four hundred sixty-five".