79994801 has 2 divisors, whose sum is σ = 79994802. Its totient is φ = 79994800.

The previous prime is 79994791. The next prime is 79994821. The reversal of 79994801 is 10849997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78304801 + 1690000 = 8849^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 79994801 - 2¹⁰ = 79993777 is a prime.

It is not a weakly prime, because it can be changed into another prime (79994821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39997400 + 39997401.

It is an arithmetic number, because the mean of its divisors is an integer number (39997401).

Almost surely, 2^79994801 is an apocalyptic number.

It is an amenable number.

79994801 is a deficient number, since it is larger than the sum of its proper divisors (1).

79994801 is an equidigital number, since it uses as much as digits as its factorization.

79994801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 79994801 is about 8943.9812723418. The cubic root of 79994801 is about 430.8776037159.

The spelling of 79994801 in words is "seventy-nine million, nine hundred ninety-four thousand, eight hundred one".