79360091 has 2 divisors, whose sum is σ = 79360092. Its totient is φ = 79360090.

The previous prime is 79360087. The next prime is 79360103. The reversal of 79360091 is 19006397.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79360091 - 2² = 79360087 is a prime.

It is not a weakly prime, because it can be changed into another prime (79360291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39680045 + 39680046.

It is an arithmetic number, because the mean of its divisors is an integer number (39680046).

Almost surely, 2^79360091 is an apocalyptic number.

79360091 is a deficient number, since it is larger than the sum of its proper divisors (1).

79360091 is an equidigital number, since it uses as much as digits as its factorization.

79360091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 79360091 is about 8908.4280880523. The cubic root of 79360091 is about 429.7349926507.

The spelling of 79360091 in words is "seventy-nine million, three hundred sixty thousand, ninety-one".