79866896 has 10 divisors (see below), whose sum is σ = 154742142. Its totient is φ = 39933440.

The previous prime is 79866883. The next prime is 79866949. The reversal of 79866896 is 69866897.

It can be written as a sum of positive squares in only one way, i.e., 50922496 + 28944400 = 7136^2 + 5380^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2495825 + ... + 2495856.

Almost surely, 2^79866896 is an apocalyptic number.

It is an amenable number.

79866896 is a deficient number, since it is larger than the sum of its proper divisors (74875246).

79866896 is a wasteful number, since it uses less digits than its factorization.

79866896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991689 (or 4991683 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 79866896 is about 8936.8280726441. The cubic root of 79866896 is about 430.6478354552.

Subtracting from 79866896 its reverse (69866897), we obtain a palindrome (9999999).

The spelling of 79866896 in words is "seventy-nine million, eight hundred sixty-six thousand, eight hundred ninety-six".