80847360 has 360 divisors, whose sum is σ = 318378060. Its totient is φ = 18923520.

The previous prime is 80847329. The next prime is 80847373. The reversal of 80847360 is 6374808.

It can be written as a sum of positive squares in 2 ways, for example, as 80568576 + 278784 = 8976^2 + 528^2 .

It is a tau number, because it is divible by the number of its divisors (360).

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 35 ways as a sum of consecutive naturals, for example, 2787826 + ... + 2787854.

Almost surely, 2^80847360 is an apocalyptic number.

80847360 is a gapful number since it is divisible by the number (80) 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 80847360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159189030).

80847360 is an abundant number, since it is smaller than the sum of its proper divisors (237530700).

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

80847360 is a wasteful number, since it uses less digits than its factorization.

80847360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 80847360 is about 8991.5160012091. The cubic root of 80847360 is about 432.4029162737.

The spelling of 80847360 in words is "eighty million, eight hundred forty-seven thousand, three hundred sixty".