82618799 has 2 divisors, whose sum is σ = 82618800. Its totient is φ = 82618798.

The previous prime is 82618763. The next prime is 82618819. The reversal of 82618799 is 99781628.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82618799 - 2²⁴ = 65841583 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82618729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41309399 + 41309400.

It is an arithmetic number, because the mean of its divisors is an integer number (41309400).

Almost surely, 2^82618799 is an apocalyptic number.

82618799 is a deficient number, since it is larger than the sum of its proper divisors (1).

82618799 is an equidigital number, since it uses as much as digits as its factorization.

82618799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 50.

The square root of 82618799 is about 9089.4883794414. The cubic root of 82618799 is about 435.5382406863.

The spelling of 82618799 in words is "eighty-two million, six hundred eighteen thousand, seven hundred ninety-nine".