80616432 has 40 divisors (see below), whose sum is σ = 224280784. Its totient is φ = 24804864.

The previous prime is 80616413. The next prime is 80616439. The reversal of 80616432 is 23461608.

80616432 = 379² + 380² + ... + 666².

It is a self number, because there is not a number n which added to its sum of digits gives 80616432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80616439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63973 + ... + 65220.

Almost surely, 2^80616432 is an apocalyptic number.

It is an amenable number.

80616432 is an abundant number, since it is smaller than the sum of its proper divisors (143664352).

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

80616432 is a wasteful number, since it uses less digits than its factorization.

80616432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129217 (or 129211 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 80616432 is about 8978.6653796653. The cubic root of 80616432 is about 431.9908262798.

The spelling of 80616432 in words is "eighty million, six hundred sixteen thousand, four hundred thirty-two".