82700856 has 48 divisors (see below), whose sum is σ = 255980400. Its totient is φ = 23628672.

The previous prime is 82700851. The next prime is 82700873. The reversal of 82700856 is 65800728.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 82700856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82700851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81541 + ... + 82548.

It is an arithmetic number, because the mean of its divisors is an integer number (5332925).

Almost surely, 2^82700856 is an apocalyptic number.

It is an amenable number.

82700856 is an abundant number, since it is smaller than the sum of its proper divisors (173279544).

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

82700856 is a wasteful number, since it uses less digits than its factorization.

82700856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164108 (or 164101 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 82700856 is about 9094.0010996261. The cubic root of 82700856 is about 435.6823851845.

The spelling of 82700856 in words is "eighty-two million, seven hundred thousand, eight hundred fifty-six".