80101868 has 72 divisors (see below), whose sum is σ = 181503504. Its totient is φ = 30576000.

The previous prime is 80101859. The next prime is 80101873. The reversal of 80101868 is 86810108.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113918 + ... + 114618.

It is an arithmetic number, because the mean of its divisors is an integer number (2520882).

Almost surely, 2^80101868 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 80101868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90751752).

80101868 is an abundant number, since it is smaller than the sum of its proper divisors (101401636).

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

80101868 is a wasteful number, since it uses less digits than its factorization.

80101868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 80101868 is about 8949.9646926678. The cubic root of 80101868 is about 431.0697503944.

The spelling of 80101868 in words is "eighty million, one hundred one thousand, eight hundred sixty-eight".