80870800 has 60 divisors (see below), whose sum is σ = 195540436. Its totient is φ = 32140800.

The previous prime is 80870791. The next prime is 80870813. The reversal of 80870800 is 807808.

It can be written as a sum of positive squares in 6 ways, for example, as 39087504 + 41783296 = 6252^2 + 6464^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71842 + ... + 72958.

Almost surely, 2^80870800 is an apocalyptic number.

80870800 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 80870800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97770218).

80870800 is an abundant number, since it is smaller than the sum of its proper divisors (114669636).

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

80870800 is a wasteful number, since it uses less digits than its factorization.

80870800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 80870800 is about 8992.8193576876. The cubic root of 80870800 is about 432.4447009610. Note that the first 3 decimals are identical.

The spelling of 80870800 in words is "eighty million, eight hundred seventy thousand, eight hundred".