79145836 has 24 divisors (see below), whose sum is σ = 172682496. Its totient is φ = 30835920.

The previous prime is 79145819. The next prime is 79145839. The reversal of 79145836 is 63854197.

It is a super-2 number, since 2×79145836² = 12528126712277792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79145792 and 79145801.

It is not an unprimeable number, because it can be changed into a prime (79145839) 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, 128176 + ... + 128791.

It is an arithmetic number, because the mean of its divisors is an integer number (7195104).

Almost surely, 2^79145836 is an apocalyptic number.

It is an amenable number.

79145836 is an abundant number, since it is smaller than the sum of its proper divisors (93536660).

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

79145836 is a wasteful number, since it uses less digits than its factorization.

79145836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256989 (or 256987 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 79145836 is about 8896.3945506031. The cubic root of 79145836 is about 429.3479137335.

The spelling of 79145836 in words is "seventy-nine million, one hundred forty-five thousand, eight hundred thirty-six".