79369816 has 8 divisors (see below), whose sum is σ = 148818420. Its totient is φ = 39684904.

The previous prime is 79369813. The next prime is 79369817. The reversal of 79369816 is 61896397.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 79369816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79369813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4960606 + ... + 4960621.

Almost surely, 2^79369816 is an apocalyptic number.

It is an amenable number.

79369816 is a deficient number, since it is larger than the sum of its proper divisors (69448604).

79369816 is a wasteful number, since it uses less digits than its factorization.

79369816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9921233 (or 9921229 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The square root of 79369816 is about 8908.9739027567. The cubic root of 79369816 is about 429.7525455628.

The spelling of 79369816 in words is "seventy-nine million, three hundred sixty-nine thousand, eight hundred sixteen".