82936309 has 2 divisors, whose sum is σ = 82936310. Its totient is φ = 82936308.

The previous prime is 82936289. The next prime is 82936313. The reversal of 82936309 is 90363928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70930084 + 12006225 = 8422^2 + 3465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82936309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82936369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41468154 + 41468155.

It is an arithmetic number, because the mean of its divisors is an integer number (41468155).

Almost surely, 2^82936309 is an apocalyptic number.

It is an amenable number.

82936309 is a deficient number, since it is larger than the sum of its proper divisors (1).

82936309 is an equidigital number, since it uses as much as digits as its factorization.

82936309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 82936309 is about 9106.9374105678. The cubic root of 82936309 is about 436.0954624317.

The spelling of 82936309 in words is "eighty-two million, nine hundred thirty-six thousand, three hundred nine".