79991069302 has 4 divisors (see below), whose sum is σ = 119986603956. Its totient is φ = 39995534650.

The previous prime is 79991069293. The next prime is 79991069351. The reversal of 79991069302 is 20396019997.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19997767324 + ... + 19997767327.

It is an arithmetic number, because the mean of its divisors is an integer number (29996650989).

Almost surely, 2^79991069302 is an apocalyptic number.

79991069302 is a deficient number, since it is larger than the sum of its proper divisors (39995534654).

79991069302 is a wasteful number, since it uses less digits than its factorization.

79991069302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39995534653.

The product of its (nonzero) digits is 1653372, while the sum is 55.

The spelling of 79991069302 in words is "seventy-nine billion, nine hundred ninety-one million, sixty-nine thousand, three hundred two".