79797386 has 8 divisors (see below), whose sum is σ = 123823620. Its totient is φ = 38522848.

The previous prime is 79797349. The next prime is 79797391. The reversal of 79797386 is 68379797.

It can be written as a sum of positive squares in 2 ways, for example, as 77176225 + 2621161 = 8785^2 + 1619^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687851 + ... + 687966.

Almost surely, 2^79797386 is an apocalyptic number.

79797386 is a deficient number, since it is larger than the sum of its proper divisors (44026234).

79797386 is a wasteful number, since it uses less digits than its factorization.

79797386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375848.

The product of its digits is 4000752, while the sum is 56.

The square root of 79797386 is about 8932.9382624084. The cubic root of 79797386 is about 430.5228649484.

The spelling of 79797386 in words is "seventy-nine million, seven hundred ninety-seven thousand, three hundred eighty-six".