79954038318 has 32 divisors (see below), whose sum is σ = 199365914880. Its totient is φ = 20767282560.

The previous prime is 79954038299. The next prime is 79954038323. The reversal of 79954038318 is 81383045997.

It is a super-3 number, since 3×79954038318³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 86529883 + ... + 86530806.

It is an arithmetic number, because the mean of its divisors is an integer number (6230184840).

Almost surely, 2^79954038318 is an apocalyptic number.

79954038318 is an abundant number, since it is smaller than the sum of its proper divisors (119411876562).

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

79954038318 is a wasteful number, since it uses less digits than its factorization.

79954038318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173060712.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 79954038318 in words is "seventy-nine billion, nine hundred fifty-four million, thirty-eight thousand, three hundred eighteen".