79638703199 has 16 divisors (see below), whose sum is σ = 90679910400. Its totient is φ = 69232716960.

The previous prime is 79638703189. The next prime is 79638703231. The reversal of 79638703199 is 99130783697.

It is not a de Polignac number, because 79638703199 - 2²⁴ = 79621925983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79638703139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963977 + ... + 1043325.

It is an arithmetic number, because the mean of its divisors is an integer number (5667494400).

Almost surely, 2^79638703199 is an apocalyptic number.

79638703199 is a deficient number, since it is larger than the sum of its proper divisors (11041207201).

79638703199 is a wasteful number, since it uses less digits than its factorization.

79638703199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83350.

The product of its (nonzero) digits is 15431472, while the sum is 62.

The spelling of 79638703199 in words is "seventy-nine billion, six hundred thirty-eight million, seven hundred three thousand, one hundred ninety-nine".