79156 has 24 divisors (see below), whose sum is σ = 173376. Its totient is φ = 30720.

The previous prime is 79153. The next prime is 79159. The reversal of 79156 is 65197.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79153) and next prime (79159).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79151) 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, 180 + ... + 436.

It is an arithmetic number, because the mean of its divisors is an integer number (7224).

2⁷⁹¹⁵⁶ 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 79156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86688).

79156 is an abundant number, since it is smaller than the sum of its proper divisors (94220).

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

79156 is a wasteful number, since it uses less digits than its factorization.

79156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 277 counting only the distinct ones).

The product of its digits is 1890, while the sum is 28.

The square root of 79156 is about 281.3467611329. The cubic root of 79156 is about 42.9366292066.

It can be divided in two parts, 7915 and 6, that added together give a square (7921 = 89²).

The spelling of 79156 in words is "seventy-nine thousand, one hundred fifty-six".