84448880 has 20 divisors (see below), whose sum is σ = 196343832. Its totient is φ = 33779520.

The previous prime is 84448849. The next prime is 84448907. The reversal of 84448880 is 8884448.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×84448880² = 14263226666508800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527726 + ... + 527885.

Almost surely, 2^84448880 is an apocalyptic number.

84448880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84448880 is an abundant number, since it is smaller than the sum of its proper divisors (111894952).

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

84448880 is a wasteful number, since it uses less digits than its factorization.

84448880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055624 (or 1055618 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The square root of 84448880 is about 9189.6071733236. The cubic root of 84448880 is about 438.7306390485.

The spelling of 84448880 in words is "eighty-four million, four hundred forty-eight thousand, eight hundred eighty".