80623646 has 8 divisors (see below), whose sum is σ = 122740680. Its totient is φ = 39710088.

The previous prime is 80623619. The next prime is 80623649. The reversal of 80623646 is 64632608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80623649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300701 + ... + 300968.

It is an arithmetic number, because the mean of its divisors is an integer number (15342585).

Almost surely, 2^80623646 is an apocalyptic number.

80623646 is a deficient number, since it is larger than the sum of its proper divisors (42117034).

80623646 is a wasteful number, since it uses less digits than its factorization.

80623646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601738.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 80623646 is about 8979.0671007628. The cubic root of 80623646 is about 432.0037115308.

The spelling of 80623646 in words is "eighty million, six hundred twenty-three thousand, six hundred forty-six".