880631961 has 16 divisors (see below), whose sum is σ = 1287430848. Its totient is φ = 531003200.

The previous prime is 880631933. The next prime is 880632017. The reversal of 880631961 is 169136088.

880631961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 880631961 - 2⁶ = 880631897 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (880631861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61230 + ... + 74231.

It is an arithmetic number, because the mean of its divisors is an integer number (80464428).

Almost surely, 2^880631961 is an apocalyptic number.

It is an amenable number.

880631961 is a deficient number, since it is larger than the sum of its proper divisors (406798887).

880631961 is a wasteful number, since it uses less digits than its factorization.

880631961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135672.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 880631961 is about 29675.4437372047. The cubic root of 880631961 is about 958.5133097410.

The spelling of 880631961 in words is "eight hundred eighty million, six hundred thirty-one thousand, nine hundred sixty-one".