79196993 has 2 divisors, whose sum is σ = 79196994. Its totient is φ = 79196992.

The previous prime is 79196989. The next prime is 79197007. The reversal of 79196993 is 39969197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58874929 + 20322064 = 7673^2 + 4508^2 .

It is a cyclic number.

It is not a de Polignac number, because 79196993 - 2² = 79196989 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (79196963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39598496 + 39598497.

It is an arithmetic number, because the mean of its divisors is an integer number (39598497).

Almost surely, 2^79196993 is an apocalyptic number.

It is an amenable number.

79196993 is a deficient number, since it is larger than the sum of its proper divisors (1).

79196993 is an equidigital number, since it uses as much as digits as its factorization.

79196993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 826686, while the sum is 53.

The square root of 79196993 is about 8899.2692396623. The cubic root of 79196993 is about 429.4403987871.

The spelling of 79196993 in words is "seventy-nine million, one hundred ninety-six thousand, nine hundred ninety-three".