82859863 has 2 divisors, whose sum is σ = 82859864. Its totient is φ = 82859862.

The previous prime is 82859857. The next prime is 82859923. The reversal of 82859863 is 36895828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82859863 - 2⁵ = 82859831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82859663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41429931 + 41429932.

It is an arithmetic number, because the mean of its divisors is an integer number (41429932).

Almost surely, 2^82859863 is an apocalyptic number.

82859863 is a deficient number, since it is larger than the sum of its proper divisors (1).

82859863 is an equidigital number, since it uses as much as digits as its factorization.

82859863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 49.

The square root of 82859863 is about 9102.7393129761. The cubic root of 82859863 is about 435.9614318632.

The spelling of 82859863 in words is "eighty-two million, eight hundred fifty-nine thousand, eight hundred sixty-three".