84223680 has 112 divisors (see below), whose sum is σ = 272125440. Its totient is φ = 22064128.

The previous prime is 84223673. The next prime is 84223687. The reversal of 84223680 is 8632248.

It is an interprime number because it is at equal distance from previous prime (84223673) and next prime (84223687).

It is not an unprimeable number, because it can be changed into a prime (84223687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55897 + ... + 57383.

Almost surely, 2^84223680 is an apocalyptic number.

84223680 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 84223680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136062720).

84223680 is an abundant number, since it is smaller than the sum of its proper divisors (187901760).

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

84223680 is a wasteful number, since it uses less digits than its factorization.

84223680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 84223680 is about 9177.3460215903. The cubic root of 84223680 is about 438.3403039110.

The spelling of 84223680 in words is "eighty-four million, two hundred twenty-three thousand, six hundred eighty".