79171217116 has 48 divisors (see below), whose sum is σ = 147059256960. Its totient is φ = 37189488960.

The previous prime is 79171217087. The next prime is 79171217129. The reversal of 79171217116 is 61171217197.

It is a super-2 number, since 2×79171217116² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 27905250 + ... + 27908086.

It is an arithmetic number, because the mean of its divisors is an integer number (3063734520).

Almost surely, 2^79171217116 is an apocalyptic number.

79171217116 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

79171217116 is a deficient number, since it is larger than the sum of its proper divisors (67888039844).

79171217116 is a wasteful number, since it uses less digits than its factorization.

79171217116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794 (or 5792 counting only the distinct ones).

The product of its digits is 37044, while the sum is 43.

The spelling of 79171217116 in words is "seventy-nine billion, one hundred seventy-one million, two hundred seventeen thousand, one hundred sixteen".