80988 has 24 divisors (see below), whose sum is σ = 200592. Its totient is φ = 25344.

The previous prime is 80963. The next prime is 80989. The reversal of 80988 is 88908.

It is a super-2 number, since 2×80988² = 13118112288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80989) by changing a digit.

80988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6 + ... + 402.

It is an arithmetic number, because the mean of its divisors is an integer number (8358).

2⁸⁰⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100296).

80988 is an abundant number, since it is smaller than the sum of its proper divisors (119604).

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

80988 is a wasteful number, since it uses less digits than its factorization.

80988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 80988 is about 284.5839067832. The cubic root of 80988 is about 43.2653503377.

The spelling of 80988 in words is "eighty thousand, nine hundred eighty-eight".