961855488 has 180 divisors, whose sum is σ = 3036321288. Its totient is φ = 290979840.

The previous prime is 961855483. The next prime is 961855549. The reversal of 961855488 is 884558169.

It is a happy number.

961855488 is a `hidden beast` number, since 9 + 6 + 1 + 8 + 554 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (961855483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1621720 + ... + 1622312.

Almost surely, 2^961855488 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 961855488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518160644).

961855488 is an abundant number, since it is smaller than the sum of its proper divisors (2074465800).

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

961855488 is a wasteful number, since it uses less digits than its factorization.

961855488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 609 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 961855488 is about 31013.7951241057. The cubic root of 961855488 is about 987.1199799946.

The spelling of 961855488 in words is "nine hundred sixty-one million, eight hundred fifty-five thousand, four hundred eighty-eight".