961472988 has 72 divisors (see below), whose sum is σ = 2789885280. Its totient is φ = 273490560.

The previous prime is 961472971. The next prime is 961473049. The reversal of 961472988 is 889274169.

961472988 is a `hidden beast` number, since 96 + 1 + 472 + 9 + 88 = 666.

It is a congruent number.

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, 49378 + ... + 66038.

Almost surely, 2^961472988 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 961472988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1394942640).

961472988 is an abundant number, since it is smaller than the sum of its proper divisors (1828412292).

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

961472988 is a wasteful number, since it uses less digits than its factorization.

961472988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16907 (or 16902 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 961472988 is about 31007.6279002442. The cubic root of 961472988 is about 986.9891136785.

The spelling of 961472988 in words is "nine hundred sixty-one million, four hundred seventy-two thousand, nine hundred eighty-eight".