79656394 has 8 divisors (see below), whose sum is σ = 119862468. Its totient is φ = 39702240.

The previous prime is 79656371. The next prime is 79656433. The reversal of 79656394 is 49365697.

It can be written as a sum of positive squares in 2 ways, for example, as 63760225 + 15896169 = 7985^2 + 3987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×79656394² = 12690282210166472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62187 + ... + 63454.

Almost surely, 2^79656394 is an apocalyptic number.

79656394 is a deficient number, since it is larger than the sum of its proper divisors (40206074).

79656394 is a wasteful number, since it uses less digits than its factorization.

79656394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125960.

The product of its digits is 1224720, while the sum is 49.

The square root of 79656394 is about 8925.0430811285. The cubic root of 79656394 is about 430.2691554478.

The spelling of 79656394 in words is "seventy-nine million, six hundred fifty-six thousand, three hundred ninety-four".