82859320 has 32 divisors (see below), whose sum is σ = 186818400. Its totient is φ = 33075328.

The previous prime is 82859303. The next prime is 82859321. The reversal of 82859320 is 2395828.

It is a self number, because there is not a number n which added to its sum of digits gives 82859320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82859321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20421 + ... + 24139.

It is an arithmetic number, because the mean of its divisors is an integer number (5838075).

Almost surely, 2^82859320 is an apocalyptic number.

It is an amenable number.

82859320 is an abundant number, since it is smaller than the sum of its proper divisors (103959080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82859320 is a wasteful number, since it uses less digits than its factorization.

82859320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287 (or 4283 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 82859320 is about 9102.7094867407. The cubic root of 82859320 is about 435.9604795422.

The spelling of 82859320 in words is "eighty-two million, eight hundred fifty-nine thousand, three hundred twenty".