80811336 has 96 divisors (see below), whose sum is σ = 219271680. Its totient is φ = 24806400.

The previous prime is 80811323. The next prime is 80811343. The reversal of 80811336 is 63311808.

It is a super-2 number, since 2×80811336² = 13060944052209792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 423001 + ... + 423191.

It is an arithmetic number, because the mean of its divisors is an integer number (2284080).

Almost surely, 2^80811336 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 80811336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109635840).

80811336 is an abundant number, since it is smaller than the sum of its proper divisors (138460344).

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

80811336 is a wasteful number, since it uses less digits than its factorization.

80811336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 80811336 is about 8989.5125563069. The cubic root of 80811336 is about 432.3386833092.

The spelling of 80811336 in words is "eighty million, eight hundred eleven thousand, three hundred thirty-six".