80911332 has 48 divisors (see below), whose sum is σ = 218897280. Its totient is φ = 25797024.

The previous prime is 80911331. The next prime is 80911339. The reversal of 80911332 is 23311908.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 80911296 and 80911305.

It is not an unprimeable number, because it can be changed into a prime (80911331) 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, 13803 + ... + 18770.

It is an arithmetic number, because the mean of its divisors is an integer number (4560360).

Almost surely, 2^80911332 is an apocalyptic number.

It is an amenable number.

80911332 is an abundant number, since it is smaller than the sum of its proper divisors (137985948).

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

80911332 is a wasteful number, since it uses less digits than its factorization.

80911332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32609 (or 32601 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 80911332 is about 8995.0726511796. The cubic root of 80911332 is about 432.5169351962.

The spelling of 80911332 in words is "eighty million, nine hundred eleven thousand, three hundred thirty-two".