84899631600 has 420 divisors, whose sum is σ = 349513716496. Its totient is φ = 19405163520.

The previous prime is 84899631571. The next prime is 84899631601. The reversal of 84899631600 is 613699848.

It is a tau number, because it is divible by the number of its divisors (420).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84899631601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 2020404 + ... + 2061996.

Almost surely, 2^84899631600 is an apocalyptic number.

84899631600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84899631600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174756858248).

84899631600 is an abundant number, since it is smaller than the sum of its proper divisors (264614084896).

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

84899631600 is a wasteful number, since it uses less digits than its factorization.

84899631600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41636 (or 41610 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 84899631600 in words is "eighty-four billion, eight hundred ninety-nine million, six hundred thirty-one thousand, six hundred".