800922816 has 140 divisors (see below), whose sum is σ = 2430075912. Its totient is φ = 260692992.

The previous prime is 800922769. The next prime is 800922839. The reversal of 800922816 is 618229008.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 221116 + ... + 224708.

Almost surely, 2^800922816 is an apocalyptic number.

800922816 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800922816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215037956).

800922816 is an abundant number, since it is smaller than the sum of its proper divisors (1629153096).

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

800922816 is a wasteful number, since it uses less digits than its factorization.

800922816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660 (or 3641 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 800922816 is about 28300.5797820469. The cubic root of 800922816 is about 928.6745739330.

The spelling of 800922816 in words is "eight hundred million, nine hundred twenty-two thousand, eight hundred sixteen".