880631808 has 112 divisors (see below), whose sum is σ = 2684190720. Its totient is φ = 251559936.

The previous prime is 880631749. The next prime is 880631837. The reversal of 880631808 is 808136088.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×880631808² = 1551024762522697728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 880631808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169473 + ... + 174591.

Almost surely, 2^880631808 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 880631808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342095360).

880631808 is an abundant number, since it is smaller than the sum of its proper divisors (1803558912).

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

880631808 is an equidigital number, since it uses as much as digits as its factorization.

880631808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5155 (or 5131 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 880631808 is about 29675.4411593156. The cubic root of 880631808 is about 958.5132542307.

The spelling of 880631808 in words is "eight hundred eighty million, six hundred thirty-one thousand, eight hundred eight".