79695619 has 2 divisors, whose sum is σ = 79695620. Its totient is φ = 79695618.

The previous prime is 79695613. The next prime is 79695647. The reversal of 79695619 is 91659697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79695619 - 2⁵ = 79695587 is a prime.

It is a super-2 number, since 2×79695619² = 12702783375586322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79695613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39847809 + 39847810.

It is an arithmetic number, because the mean of its divisors is an integer number (39847810).

Almost surely, 2^79695619 is an apocalyptic number.

79695619 is a deficient number, since it is larger than the sum of its proper divisors (1).

79695619 is an equidigital number, since it uses as much as digits as its factorization.

79695619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540, while the sum is 52.

The square root of 79695619 is about 8927.2402790560. The cubic root of 79695619 is about 430.3397693151.

The spelling of 79695619 in words is "seventy-nine million, six hundred ninety-five thousand, six hundred nineteen".