80631332 has 6 divisors (see below), whose sum is σ = 141104838. Its totient is φ = 40315664.

The previous prime is 80631319. The next prime is 80631389. The reversal of 80631332 is 23313608.

It can be written as a sum of positive squares in only one way, i.e., 78393316 + 2238016 = 8854^2 + 1496^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10078913 + ... + 10078920.

It is an arithmetic number, because the mean of its divisors is an integer number (23517473).

Almost surely, 2^80631332 is an apocalyptic number.

It is an amenable number.

80631332 is a deficient number, since it is larger than the sum of its proper divisors (60473506).

80631332 is a wasteful number, since it uses less digits than its factorization.

80631332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20157837 (or 20157835 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 80631332 is about 8979.4950860279. The cubic root of 80631332 is about 432.0174389965.

The spelling of 80631332 in words is "eighty million, six hundred thirty-one thousand, three hundred thirty-two".