84999800 has 48 divisors (see below), whose sum is σ = 198956760. Its totient is φ = 33770880.

The previous prime is 84999791. The next prime is 84999833. The reversal of 84999800 is 899948.

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, 30047 + ... + 32753.

Almost surely, 2^84999800 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 84999800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99478380).

84999800 is an abundant number, since it is smaller than the sum of its proper divisors (113956960).

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

84999800 is a wasteful number, since it uses less digits than its factorization.

84999800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 84999800 is about 9219.5336107636. The cubic root of 84999800 is about 439.6826223662.

The spelling of 84999800 in words is "eighty-four million, nine hundred ninety-nine thousand, eight hundred".