84912890880 has 704 divisors, whose sum is σ = 301842432000. Its totient is φ = 20288765952.

The previous prime is 84912890863. The next prime is 84912890939. The reversal of 84912890880 is 8809821948.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 84912890880.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 668605377 + ... + 668605503.

Almost surely, 2^84912890880 is an apocalyptic number.

84912890880 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 84912890880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150921216000).

84912890880 is an abundant number, since it is smaller than the sum of its proper divisors (216929541120).

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

84912890880 is a wasteful number, since it uses less digits than its factorization.

84912890880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 57.

The spelling of 84912890880 in words is "eighty-four billion, nine hundred twelve million, eight hundred ninety thousand, eight hundred eighty".