79131650112 has 70 divisors (see below), whose sum is σ = 234571015998. Its totient is φ = 26377214976.

The previous prime is 79131650083. The next prime is 79131650141. The reversal of 79131650112 is 21105613197.

It is a happy number.

79131650112 is a `hidden beast` number, since 7 + 9 + 131 + 6 + 501 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (79131650083) and next prime (79131650141).

It can be written as a sum of positive squares in only one way, i.e., 57726789696 + 21404860416 = 240264^2 + 146304^2 .

It is a super-2 number, since 2×79131650112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7627113 + ... + 7637480.

Almost surely, 2^79131650112 is an apocalyptic number.

79131650112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

79131650112 is an abundant number, since it is smaller than the sum of its proper divisors (155439365886).

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

79131650112 is a wasteful number, since it uses less digits than its factorization.

79131650112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15264617 (or 15264598 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 79131650112 in words is "seventy-nine billion, one hundred thirty-one million, six hundred fifty thousand, one hundred twelve".