80830656 has 112 divisors (see below), whose sum is σ = 245973600. Its totient is φ = 25998336.

The previous prime is 80830643. The next prime is 80830657. The reversal of 80830656 is 65603808.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 80830656.

It is not an unprimeable number, because it can be changed into a prime (80830657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49306 + ... + 50918.

Almost surely, 2^80830656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80830656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122986800).

80830656 is an abundant number, since it is smaller than the sum of its proper divisors (165142944).

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

80830656 is a wasteful number, since it uses less digits than its factorization.

80830656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 80830656 is about 8990.5870776051. The cubic root of 80830656 is about 432.3731344073.

The spelling of 80830656 in words is "eighty million, eight hundred thirty thousand, six hundred fifty-six".