79148331 has 6 divisors (see below), whose sum is σ = 114325380. Its totient is φ = 52765548.

The previous prime is 79148309. The next prime is 79148339. The reversal of 79148331 is 13384197.

It is a happy number.

It is not a de Polignac number, because 79148331 - 2⁷ = 79148203 is a prime.

It is a super-2 number, since 2×79148331² = 12528916600171122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79148339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4397121 + ... + 4397138.

It is an arithmetic number, because the mean of its divisors is an integer number (19054230).

Almost surely, 2^79148331 is an apocalyptic number.

79148331 is a deficient number, since it is larger than the sum of its proper divisors (35177049).

79148331 is a wasteful number, since it uses less digits than its factorization.

79148331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794265 (or 8794262 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 79148331 is about 8896.5347748435. The cubic root of 79148331 is about 429.3524252861.

The spelling of 79148331 in words is "seventy-nine million, one hundred forty-eight thousand, three hundred thirty-one".