79117120 has 28 divisors (see below), whose sum is σ = 188398404. Its totient is φ = 31646720.

The previous prime is 79117117. The next prime is 79117127. The reversal of 79117120 is 2171197.

It can be written as a sum of positive squares in 2 ways, for example, as 58614336 + 20502784 = 7656^2 + 4528^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79117127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123301 + ... + 123940.

Almost surely, 2^79117120 is an apocalyptic number.

It is an amenable number.

79117120 is an abundant number, since it is smaller than the sum of its proper divisors (109281284).

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

79117120 is a wasteful number, since it uses less digits than its factorization.

79117120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247258 (or 247248 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 79117120 is about 8894.7804919514. The cubic root of 79117120 is about 429.2959815591.

The spelling of 79117120 in words is "seventy-nine million, one hundred seventeen thousand, one hundred twenty".