79813208 has 8 divisors (see below), whose sum is σ = 149649780. Its totient is φ = 39906600.

The previous prime is 79813207. The next prime is 79813211. The reversal of 79813208 is 80231897.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79813207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4988318 + ... + 4988333.

Almost surely, 2^79813208 is an apocalyptic number.

It is an amenable number.

79813208 is a deficient number, since it is larger than the sum of its proper divisors (69836572).

79813208 is a wasteful number, since it uses less digits than its factorization.

79813208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9976657 (or 9976653 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 79813208 is about 8933.8238173808. The cubic root of 79813208 is about 430.5513173533.

The spelling of 79813208 in words is "seventy-nine million, eight hundred thirteen thousand, two hundred eight".