80623632 has 20 divisors (see below), whose sum is σ = 208277840. Its totient is φ = 26874528.

The previous prime is 80623619. The next prime is 80623649. The reversal of 80623632 is 23632608.

It is a self number, because there is not a number n which added to its sum of digits gives 80623632.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839782 + ... + 839877.

It is an arithmetic number, because the mean of its divisors is an integer number (10413892).

Almost surely, 2^80623632 is an apocalyptic number.

It is an amenable number.

80623632 is an abundant number, since it is smaller than the sum of its proper divisors (127654208).

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

80623632 is a wasteful number, since it uses less digits than its factorization.

80623632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679670 (or 1679664 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 80623632 is about 8979.0663211717. The cubic root of 80623632 is about 432.0036865255.

The spelling of 80623632 in words is "eighty million, six hundred twenty-three thousand, six hundred thirty-two".