961483783680 has 240 divisors, whose sum is σ = 3805587792864. Its totient is φ = 219767685120.

The previous prime is 961483783679. The next prime is 961483783721. The reversal of 961483783680 is 86387384169.

961483783680 is a `hidden beast` number, since 9 + 6 + 1 + 483 + 78 + 3 + 6 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 2819511 + ... + 3142070.

Almost surely, 2^961483783680 is an apocalyptic number.

961483783680 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

961483783680 is an abundant number, since it is smaller than the sum of its proper divisors (2844104009184).

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

961483783680 is a wasteful number, since it uses less digits than its factorization.

961483783680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961617 (or 5961598 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 961483783680 in words is "nine hundred sixty-one billion, four hundred eighty-three million, seven hundred eighty-three thousand, six hundred eighty".