80987332 has 6 divisors (see below), whose sum is σ = 141727838. Its totient is φ = 40493664.

The previous prime is 80987293. The next prime is 80987363. The reversal of 80987332 is 23378908.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 70963776 + 10023556 = 8424^2 + 3166^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10123413 + ... + 10123420.

Almost surely, 2^80987332 is an apocalyptic number.

It is an amenable number.

80987332 is a deficient number, since it is larger than the sum of its proper divisors (60740506).

80987332 is a wasteful number, since it uses less digits than its factorization.

80987332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20246837 (or 20246835 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 80987332 is about 8999.2961947032. The cubic root of 80987332 is about 432.6523138452.

The spelling of 80987332 in words is "eighty million, nine hundred eighty-seven thousand, three hundred thirty-two".