79332191 has 2 divisors, whose sum is σ = 79332192. Its totient is φ = 79332190.

The previous prime is 79332157. The next prime is 79332199. The reversal of 79332191 is 19123397.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79332191 - 2¹⁰ = 79331167 is a prime.

It is equal to p_4632686 and since 79332191 and 4632686 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79332199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39666095 + 39666096.

It is an arithmetic number, because the mean of its divisors is an integer number (39666096).

Almost surely, 2^79332191 is an apocalyptic number.

79332191 is a deficient number, since it is larger than the sum of its proper divisors (1).

79332191 is an equidigital number, since it uses as much as digits as its factorization.

79332191 is an odious number, because the sum of its binary digits is odd.

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

The square root of 79332191 is about 8906.8620175683. The cubic root of 79332191 is about 429.6846272363.

The spelling of 79332191 in words is "seventy-nine million, three hundred thirty-two thousand, one hundred ninety-one".