79155 has 12 divisors (see below), whose sum is σ = 137280. Its totient is φ = 42192.

The previous prime is 79153. The next prime is 79159. The reversal of 79155 is 55197.

It is not a de Polignac number, because 79155 - 2¹ = 79153 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 835 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (11440).

2⁷⁹¹⁵⁵ is an apocalyptic number.

79155 is a deficient number, since it is larger than the sum of its proper divisors (58125).

79155 is a wasteful number, since it uses less digits than its factorization.

79155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770 (or 1767 counting only the distinct ones).

The product of its digits is 1575, while the sum is 27.

The square root of 79155 is about 281.3449839610. The cubic root of 79155 is about 42.9364483956.

The spelling of 79155 in words is "seventy-nine thousand, one hundred fifty-five".