82855100 has 36 divisors (see below), whose sum is σ = 180566568. Its totient is φ = 33000000.

The previous prime is 82855037. The next prime is 82855111. The reversal of 82855100 is 155828.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23450 + ... + 26750.

It is an arithmetic number, because the mean of its divisors is an integer number (5015738).

Almost surely, 2^82855100 is an apocalyptic number.

It is an amenable number.

82855100 is an abundant number, since it is smaller than the sum of its proper divisors (97711468).

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

82855100 is a wasteful number, since it uses less digits than its factorization.

82855100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566 (or 3559 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 82855100 is about 9102.4776846747. The cubic root of 82855100 is about 435.9530783049.

The spelling of 82855100 in words is "eighty-two million, eight hundred fifty-five thousand, one hundred".