79386156 has 144 divisors (see below), whose sum is σ = 224550144. Its totient is φ = 24463296.

The previous prime is 79386121. The next prime is 79386163. The reversal of 79386156 is 65168397.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (272160) is a multiple of the sum of its prime factors (162).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1184835 + ... + 1184901.

It is an arithmetic number, because the mean of its divisors is an integer number (1559376).

Almost surely, 2^79386156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79386156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112275072).

79386156 is an abundant number, since it is smaller than the sum of its proper divisors (145163988).

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

79386156 is a wasteful number, since it uses less digits than its factorization.

79386156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 148 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 79386156 is about 8909.8909084231. The cubic root of 79386156 is about 429.7820348368.

The spelling of 79386156 in words is "seventy-nine million, three hundred eighty-six thousand, one hundred fifty-six".