82336591 has 2 divisors, whose sum is σ = 82336592. Its totient is φ = 82336590.

The previous prime is 82336577. The next prime is 82336637. The reversal of 82336591 is 19563328.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82336591 - 2²³ = 73947983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82336591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82336531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41168295 + 41168296.

It is an arithmetic number, because the mean of its divisors is an integer number (41168296).

Almost surely, 2^82336591 is an apocalyptic number.

82336591 is a deficient number, since it is larger than the sum of its proper divisors (1).

82336591 is an equidigital number, since it uses as much as digits as its factorization.

82336591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 82336591 is about 9073.9512341648. The cubic root of 82336591 is about 435.0417734138.

The spelling of 82336591 in words is "eighty-two million, three hundred thirty-six thousand, five hundred ninety-one".