961488988 has 12 divisors (see below), whose sum is σ = 1684423440. Its totient is φ = 480225152.

The previous prime is 961488967. The next prime is 961489051. The reversal of 961488988 is 889884169.

961488988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×961488988² = 1848922148090528288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125656 + ... + 133087.

It is an arithmetic number, because the mean of its divisors is an integer number (140368620).

Almost surely, 2^961488988 is an apocalyptic number.

It is an amenable number.

961488988 is a deficient number, since it is larger than the sum of its proper divisors (722934452).

961488988 is a wasteful number, since it uses less digits than its factorization.

961488988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259676 (or 259674 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 61.

The square root of 961488988 is about 31007.8859002029. The cubic root of 961488988 is about 986.9945885205.

The spelling of 961488988 in words is "nine hundred sixty-one million, four hundred eighty-eight thousand, nine hundred eighty-eight".