84568409280 has 336 divisors, whose sum is σ = 307702549440. Its totient is φ = 21274361856.

The previous prime is 84568409269. The next prime is 84568409327. The reversal of 84568409280 is 8290486548.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4826776 + ... + 4844264.

Almost surely, 2^84568409280 is an apocalyptic number.

84568409280 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 84568409280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153851274720).

84568409280 is an abundant number, since it is smaller than the sum of its proper divisors (223134140160).

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

84568409280 is a wasteful number, since it uses less digits than its factorization.

84568409280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17608 (or 17595 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 84568409280 in words is "eighty-four billion, five hundred sixty-eight million, four hundred nine thousand, two hundred eighty".