80863056 has 80 divisors (see below), whose sum is σ = 238427200. Its totient is φ = 26220672.

The previous prime is 80863051. The next prime is 80863087. The reversal of 80863056 is 65036808.

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 80863056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80863051) 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, 13455 + ... + 18513.

It is an arithmetic number, because the mean of its divisors is an integer number (2980340).

Almost surely, 2^80863056 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 80863056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119213600).

80863056 is an abundant number, since it is smaller than the sum of its proper divisors (157564144).

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

80863056 is a wasteful number, since it uses less digits than its factorization.

80863056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113 (or 5101 counting only the distinct ones).

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

The square root of 80863056 is about 8992.3887816308. The cubic root of 80863056 is about 432.4308972203.

The spelling of 80863056 in words is "eighty million, eight hundred sixty-three thousand, fifty-six".