82998239 has 2 divisors, whose sum is σ = 82998240. Its totient is φ = 82998238.

The previous prime is 82998217. The next prime is 82998271. The reversal of 82998239 is 93289928.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82998239 - 2⁸ = 82997983 is a prime.

It is a super-2 number, since 2×82998239² = 13777415354202242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82991239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41499119 + 41499120.

It is an arithmetic number, because the mean of its divisors is an integer number (41499120).

Almost surely, 2^82998239 is an apocalyptic number.

82998239 is a deficient number, since it is larger than the sum of its proper divisors (1).

82998239 is an equidigital number, since it uses as much as digits as its factorization.

82998239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 50.

The square root of 82998239 is about 9110.3369312007. The cubic root of 82998239 is about 436.2039821412.

The spelling of 82998239 in words is "eighty-two million, nine hundred ninety-eight thousand, two hundred thirty-nine".