80320896 has 160 divisors (see below), whose sum is σ = 244865280. Its totient is φ = 26127360.

The previous prime is 80320879. The next prime is 80320909. The reversal of 80320896 is 69802308.

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 80320896.

It is a congruent number.

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, 632385 + ... + 632511.

It is an arithmetic number, because the mean of its divisors is an integer number (1530408).

Almost surely, 2^80320896 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 80320896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122432640).

80320896 is an abundant number, since it is smaller than the sum of its proper divisors (164544384).

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

80320896 is a wasteful number, since it uses less digits than its factorization.

80320896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 80320896 is about 8962.1925888702. The cubic root of 80320896 is about 431.4622939634.

The spelling of 80320896 in words is "eighty million, three hundred twenty thousand, eight hundred ninety-six".