79156916 has 6 divisors (see below), whose sum is σ = 138524610. Its totient is φ = 39578456.

The previous prime is 79156897. The next prime is 79156933. The reversal of 79156916 is 61965197.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51552400 + 27604516 = 7180^2 + 5254^2 .

It is a super-3 number, since 3×79156916³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9894611 + ... + 9894618.

It is an arithmetic number, because the mean of its divisors is an integer number (23087435).

Almost surely, 2^79156916 is an apocalyptic number.

It is an amenable number.

79156916 is a deficient number, since it is larger than the sum of its proper divisors (59367694).

79156916 is a wasteful number, since it uses less digits than its factorization.

79156916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19789233 (or 19789231 counting only the distinct ones).

The product of its digits is 102060, while the sum is 44.

The square root of 79156916 is about 8897.0172529899. The cubic root of 79156916 is about 429.3679482805.

The spelling of 79156916 in words is "seventy-nine million, one hundred fifty-six thousand, nine hundred sixteen".