79899583 has 2 divisors, whose sum is σ = 79899584. Its totient is φ = 79899582.

The previous prime is 79899571. The next prime is 79899587. The reversal of 79899583 is 38599897.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79899583 - 2⁵ = 79899551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79899587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39949791 + 39949792.

It is an arithmetic number, because the mean of its divisors is an integer number (39949792).

Almost surely, 2^79899583 is an apocalyptic number.

79899583 is a deficient number, since it is larger than the sum of its proper divisors (1).

79899583 is an equidigital number, since it uses as much as digits as its factorization.

79899583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 58.

The square root of 79899583 is about 8938.6566664125. The cubic root of 79899583 is about 430.7065776316.

The spelling of 79899583 in words is "seventy-nine million, eight hundred ninety-nine thousand, five hundred eighty-three".