808381872 has 30 divisors (see below), whose sum is σ = 2262346892. Its totient is φ = 269460576.

The previous prime is 808381837. The next prime is 808381877. The reversal of 808381872 is 278183808.

It is a happy number.

808381872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (808381877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2806738 + ... + 2807025.

Almost surely, 2^808381872 is an apocalyptic number.

It is an amenable number.

808381872 is an abundant number, since it is smaller than the sum of its proper divisors (1453965020).

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

808381872 is a wasteful number, since it uses less digits than its factorization.

808381872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613777 (or 5613768 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 808381872 is about 28432.0571186821. The cubic root of 808381872 is about 931.5486096008.

The spelling of 808381872 in words is "eight hundred eight million, three hundred eighty-one thousand, eight hundred seventy-two".