79136849 has 8 divisors (see below), whose sum is σ = 87620448. Its totient is φ = 70868160.

The previous prime is 79136803. The next prime is 79136851. The reversal of 79136849 is 94863197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-79136849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79136549) 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, 52952 + ... + 54425.

It is an arithmetic number, because the mean of its divisors is an integer number (10952556).

Almost surely, 2^79136849 is an apocalyptic number.

It is an amenable number.

79136849 is a deficient number, since it is larger than the sum of its proper divisors (8483599).

79136849 is a wasteful number, since it uses less digits than its factorization.

79136849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107455.

The product of its digits is 326592, while the sum is 47.

The square root of 79136849 is about 8895.8894440073. The cubic root of 79136849 is about 429.3316623174.

The spelling of 79136849 in words is "seventy-nine million, one hundred thirty-six thousand, eight hundred forty-nine".