79108091 has 2 divisors, whose sum is σ = 79108092. Its totient is φ = 79108090.

The previous prime is 79108069. The next prime is 79108103. The reversal of 79108091 is 19080197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79108091 - 2¹⁴ = 79091707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79108591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39554045 + 39554046.

It is an arithmetic number, because the mean of its divisors is an integer number (39554046).

Almost surely, 2^79108091 is an apocalyptic number.

79108091 is a deficient number, since it is larger than the sum of its proper divisors (1).

79108091 is an equidigital number, since it uses as much as digits as its factorization.

79108091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 79108091 is about 8894.2729326236. The cubic root of 79108091 is about 429.2796502396.

The spelling of 79108091 in words is "seventy-nine million, one hundred eight thousand, ninety-one".