80884560 has 80 divisors (see below), whose sum is σ = 261661824. Its totient is φ = 20630016.

The previous prime is 80884547. The next prime is 80884619. The reversal of 80884560 is 6548808.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1807 + ... + 12846.

Almost surely, 2^80884560 is an apocalyptic number.

80884560 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 80884560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130830912).

80884560 is an abundant number, since it is smaller than the sum of its proper divisors (180777264).

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

80884560 is a wasteful number, since it uses less digits than its factorization.

80884560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14692 (or 14686 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 80884560 is about 8993.5843799900. The cubic root of 80884560 is about 432.4692260951.

The spelling of 80884560 in words is "eighty million, eight hundred eighty-four thousand, five hundred sixty".