79511112 has 32 divisors (see below), whose sum is σ = 220864800. Its totient is φ = 26503632.

The previous prime is 79511099. The next prime is 79511119. The reversal of 79511112 is 21111597.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (79511119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183838 + ... + 184269.

It is an arithmetic number, because the mean of its divisors is an integer number (6902025).

Almost surely, 2^79511112 is an apocalyptic number.

79511112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

79511112 is an abundant number, since it is smaller than the sum of its proper divisors (141353688).

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

79511112 is a wasteful number, since it uses less digits than its factorization.

79511112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368122 (or 368112 counting only the distinct ones).

The product of its digits is 630, while the sum is 27.

The square root of 79511112 is about 8916.9003583084. The cubic root of 79511112 is about 430.0074128883.

The spelling of 79511112 in words is "seventy-nine million, five hundred eleven thousand, one hundred twelve".