79136850 has 48 divisors (see below), whose sum is σ = 211361472. Its totient is φ = 19479360.

The previous prime is 79136803. The next prime is 79136851. The reversal of 79136850 is 5863197.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 79136799 and 79136808.

It is not an unprimeable number, because it can be changed into a prime (79136851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18342 + ... + 22241.

It is an arithmetic number, because the mean of its divisors is an integer number (4403364).

Almost surely, 2^79136850 is an apocalyptic number.

79136850 is an abundant number, since it is smaller than the sum of its proper divisors (132224622).

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

79136850 is a wasteful number, since it uses less digits than its factorization.

79136850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40611 (or 40606 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 79136850 is about 8895.8895002130. The cubic root of 79136850 is about 429.3316641258.

The spelling of 79136850 in words is "seventy-nine million, one hundred thirty-six thousand, eight hundred fifty".