80285868 has 72 divisors (see below), whose sum is σ = 230084400. Its totient is φ = 23400576.

The previous prime is 80285867. The next prime is 80285873. The reversal of 80285868 is 86858208.

It is not an unprimeable number, because it can be changed into a prime (80285867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4378 + ... + 13406.

Almost surely, 2^80285868 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 80285868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115042200).

80285868 is an abundant number, since it is smaller than the sum of its proper divisors (149798532).

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

80285868 is a wasteful number, since it uses less digits than its factorization.

80285868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9071 (or 9066 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 80285868 is about 8960.2381664775. The cubic root of 80285868 is about 431.3995645057.

The spelling of 80285868 in words is "eighty million, two hundred eighty-five thousand, eight hundred sixty-eight".