80318592 has 96 divisors (see below), whose sum is σ = 233548380. Its totient is φ = 26492928.

The previous prime is 80318543. The next prime is 80318593. The reversal of 80318592 is 29581308.

It can be written as a sum of positive squares in 2 ways, for example, as 52186176 + 28132416 = 7224^2 + 5304^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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

It is not an unprimeable number, because it can be changed into a prime (80318593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129868 + ... + 130484.

Almost surely, 2^80318592 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 80318592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116774190).

80318592 is an abundant number, since it is smaller than the sum of its proper divisors (153229788).

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

80318592 is a wasteful number, since it uses less digits than its factorization.

80318592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 80318592 is about 8962.0640479747. The cubic root of 80318592 is about 431.4581684341.

The spelling of 80318592 in words is "eighty million, three hundred eighteen thousand, five hundred ninety-two".