79069939690 has 32 divisors (see below), whose sum is σ = 164268653184. Its totient is φ = 26841278400.

The previous prime is 79069939631. The next prime is 79069939703. The reversal of 79069939690 is 9693996097.

It is a super-2 number, since 2×79069939690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5584864 + ... + 5599003.

It is an arithmetic number, because the mean of its divisors is an integer number (5133395412).

Almost surely, 2^79069939690 is an apocalyptic number.

79069939690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

79069939690 is an abundant number, since it is smaller than the sum of its proper divisors (85198713494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79069939690 is a wasteful number, since it uses less digits than its factorization.

79069939690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11183982.

The product of its (nonzero) digits is 44641044, while the sum is 67.

The spelling of 79069939690 in words is "seventy-nine billion, sixty-nine million, nine hundred thirty-nine thousand, six hundred ninety".