79998299 has 2 divisors, whose sum is σ = 79998300. Its totient is φ = 79998298.

The previous prime is 79998287. The next prime is 79998313. The reversal of 79998299 is 99289997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79998299 - 2¹⁶ = 79932763 is a prime.

It is not a weakly prime, because it can be changed into another prime (79968299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39999149 + 39999150.

It is an arithmetic number, because the mean of its divisors is an integer number (39999150).

Almost surely, 2^79998299 is an apocalyptic number.

79998299 is a deficient number, since it is larger than the sum of its proper divisors (1).

79998299 is an equidigital number, since it uses as much as digits as its factorization.

79998299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6613488, while the sum is 62.

The square root of 79998299 is about 8944.1768207030. The cubic root of 79998299 is about 430.8838840736.

The spelling of 79998299 in words is "seventy-nine million, nine hundred ninety-eight thousand, two hundred ninety-nine".