99964259 has 2 divisors, whose sum is σ = 99964260. Its totient is φ = 99964258.

The previous prime is 99964211. The next prime is 99964283. The reversal of 99964259 is 95246999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99964259 - 2¹⁶ = 99898723 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99964259.

It is not a weakly prime, because it can be changed into another prime (99964759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49982129 + 49982130.

It is an arithmetic number, because the mean of its divisors is an integer number (49982130).

Almost surely, 2^99964259 is an apocalyptic number.

99964259 is a deficient number, since it is larger than the sum of its proper divisors (1).

99964259 is an equidigital number, since it uses as much as digits as its factorization.

99964259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 53.

The square root of 99964259 is about 9998.2127902941. The cubic root of 99964259 is about 464.1035784297.

The spelling of 99964259 in words is "ninety-nine million, nine hundred sixty-four thousand, two hundred fifty-nine".