79356091 has 2 divisors, whose sum is σ = 79356092. Its totient is φ = 79356090.

The previous prime is 79356047. The next prime is 79356127. The reversal of 79356091 is 19065397.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79356091 - 2⁷ = 79355963 is a prime.

It is not a weakly prime, because it can be changed into another prime (79356191) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39678045 + 39678046.

It is an arithmetic number, because the mean of its divisors is an integer number (39678046).

Almost surely, 2^79356091 is an apocalyptic number.

79356091 is a deficient number, since it is larger than the sum of its proper divisors (1).

79356091 is an equidigital number, since it uses as much as digits as its factorization.

79356091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 79356091 is about 8908.2035787245. The cubic root of 79356091 is about 429.7277725277.

The spelling of 79356091 in words is "seventy-nine million, three hundred fifty-six thousand, ninety-one".