80365896 has 96 divisors (see below), whose sum is σ = 246792000. Its totient is φ = 23421312.

The previous prime is 80365871. The next prime is 80365907. The reversal of 80365896 is 69856308.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 15525 + ... + 20043.

It is an arithmetic number, because the mean of its divisors is an integer number (2570750).

Almost surely, 2^80365896 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 80365896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123396000).

80365896 is an abundant number, since it is smaller than the sum of its proper divisors (166426104).

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

80365896 is a wasteful number, since it uses less digits than its factorization.

80365896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563 (or 4556 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 80365896 is about 8964.7027836956. The cubic root of 80365896 is about 431.5428548942.

The spelling of 80365896 in words is "eighty million, three hundred sixty-five thousand, eight hundred ninety-six".