80251808 has 144 divisors (see below), whose sum is σ = 205922304. Its totient is φ = 30481920.

The previous prime is 80251799. The next prime is 80251811. The reversal of 80251808 is 80815208.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 631841 + ... + 631967.

It is an arithmetic number, because the mean of its divisors is an integer number (1430016).

Almost surely, 2^80251808 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 80251808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102961152).

80251808 is an abundant number, since it is smaller than the sum of its proper divisors (125670496).

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

80251808 is a wasteful number, since it uses less digits than its factorization.

80251808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 80251808 is about 8958.3373457355. The cubic root of 80251808 is about 431.3385510802.

The spelling of 80251808 in words is "eighty million, two hundred fifty-one thousand, eight hundred eight".