82813900 has 36 divisors (see below), whose sum is σ = 193532752. Its totient is φ = 30576960.

The previous prime is 82813873. The next prime is 82813909. The reversal of 82813900 is 931828.

It is not an unprimeable number, because it can be changed into a prime (82813909) 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, 30552 + ... + 33151.

Almost surely, 2^82813900 is an apocalyptic number.

It is an amenable number.

82813900 is an abundant number, since it is smaller than the sum of its proper divisors (110718852).

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

82813900 is a wasteful number, since it uses less digits than its factorization.

82813900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63730 (or 63723 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 82813900 is about 9100.2142831914. The cubic root of 82813900 is about 435.8808065729.

The spelling of 82813900 in words is "eighty-two million, eight hundred thirteen thousand, nine hundred".