84989879200 has 72 divisors (see below), whose sum is σ = 207534052908. Its totient is φ = 33987348480.

The previous prime is 84989879173. The next prime is 84989879213. The reversal of 84989879200 is 297898948.

It can be written as a sum of positive squares in 6 ways, for example, as 66026385936 + 18963493264 = 256956^2 + 137708^2 .

It is a super-3 number, since 3×84989879200³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3839364 + ... + 3861436.

Almost surely, 2^84989879200 is an apocalyptic number.

84989879200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84989879200 is an abundant number, since it is smaller than the sum of its proper divisors (122544173708).

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

84989879200 is a wasteful number, since it uses less digits than its factorization.

84989879200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26906 (or 26893 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 64.

The spelling of 84989879200 in words is "eighty-four billion, nine hundred eighty-nine million, eight hundred seventy-nine thousand, two hundred".