79656842 has 8 divisors (see below), whose sum is σ = 119527716. Its totient is φ = 39814272.

The previous prime is 79656821. The next prime is 79656847. The reversal of 79656842 is 24865697.

It can be written as a sum of positive squares in 2 ways, for example, as 73805281 + 5851561 = 8591^2 + 2419^2 .

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

It is not an unprimeable number, because it can be changed into a prime (79656847) by changing a digit.

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, 2618 + ... + 12890.

Almost surely, 2^79656842 is an apocalyptic number.

79656842 is a deficient number, since it is larger than the sum of its proper divisors (39870874).

79656842 is a wasteful number, since it uses less digits than its factorization.

79656842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14152.

The product of its digits is 725760, while the sum is 47.

The square root of 79656842 is about 8925.0681790113. The cubic root of 79656842 is about 430.2699620799.

The spelling of 79656842 in words is "seventy-nine million, six hundred fifty-six thousand, eight hundred forty-two".