79136851 has 2 divisors, whose sum is σ = 79136852. Its totient is φ = 79136850.

The previous prime is 79136803. The next prime is 79136873. The reversal of 79136851 is 15863197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79136851 - 2²³ = 70748243 is a prime.

It is not a weakly prime, because it can be changed into another prime (79136251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39568425 + 39568426.

It is an arithmetic number, because the mean of its divisors is an integer number (39568426).

Almost surely, 2^79136851 is an apocalyptic number.

79136851 is a deficient number, since it is larger than the sum of its proper divisors (1).

79136851 is an equidigital number, since it uses as much as digits as its factorization.

79136851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The square root of 79136851 is about 8895.8895564187. The cubic root of 79136851 is about 429.3316659342.

The spelling of 79136851 in words is "seventy-nine million, one hundred thirty-six thousand, eight hundred fifty-one".