82899700 has 72 divisors (see below), whose sum is σ = 198369248. Its totient is φ = 29877120.

The previous prime is 82899683. The next prime is 82899709. The reversal of 82899700 is 799828.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82899709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55159 + ... + 56641.

Almost surely, 2^82899700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82899700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99184624).

82899700 is an abundant number, since it is smaller than the sum of its proper divisors (115469548).

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

82899700 is a wasteful number, since it uses less digits than its factorization.

82899700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 82899700 is about 9104.9272374907. The cubic root of 82899700 is about 436.0312872085.

The spelling of 82899700 in words is "eighty-two million, eight hundred ninety-nine thousand, seven hundred".