79992346178 has 8 divisors (see below), whose sum is σ = 120097306368. Its totient is φ = 39959910724.

The previous prime is 79992346171. The next prime is 79992346201. The reversal of 79992346178 is 87164329997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (79992346171) 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 3 ways as a sum of consecutive naturals, for example, 18128426 + ... + 18132837.

It is an arithmetic number, because the mean of its divisors is an integer number (15012163296).

Almost surely, 2^79992346178 is an apocalyptic number.

79992346178 is a deficient number, since it is larger than the sum of its proper divisors (40104960190).

79992346178 is a wasteful number, since it uses less digits than its factorization.

79992346178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36262368.

The product of its digits is 41150592, while the sum is 65.

The spelling of 79992346178 in words is "seventy-nine billion, nine hundred ninety-two million, three hundred forty-six thousand, one hundred seventy-eight".