82659799 has 2 divisors, whose sum is σ = 82659800. Its totient is φ = 82659798.

The previous prime is 82659791. The next prime is 82659827. The reversal of 82659799 is 99795628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82659799 - 2³ = 82659791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82659791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41329899 + 41329900.

It is an arithmetic number, because the mean of its divisors is an integer number (41329900).

Almost surely, 2^82659799 is an apocalyptic number.

82659799 is a deficient number, since it is larger than the sum of its proper divisors (1).

82659799 is an equidigital number, since it uses as much as digits as its factorization.

82659799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 55.

The square root of 82659799 is about 9091.7434521658. The cubic root of 82659799 is about 435.6102747956.

The spelling of 82659799 in words is "eighty-two million, six hundred fifty-nine thousand, seven hundred ninety-nine".