84278482320 has 160 divisors (see below), whose sum is σ = 281417416704. Its totient is φ = 20803622400.

The previous prime is 84278482313. The next prime is 84278482333. The reversal of 84278482320 is 2328487248.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 84278482320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75136 + ... + 417375.

Almost surely, 2^84278482320 is an apocalyptic number.

84278482320 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 84278482320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140708708352).

84278482320 is an abundant number, since it is smaller than the sum of its proper divisors (197138934384).

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

84278482320 is a wasteful number, since it uses less digits than its factorization.

84278482320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492581 (or 492575 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 48.

The spelling of 84278482320 in words is "eighty-four billion, two hundred seventy-eight million, four hundred eighty-two thousand, three hundred twenty".