963881360520 has 1024 divisors, whose sum is σ = 3540779827200. Its totient is φ = 207488286720.

The previous prime is 963881360471. The next prime is 963881360549. The reversal of 963881360520 is 25063188369.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3999507600 + ... + 3999507840.

It is an arithmetic number, because the mean of its divisors is an integer number (3457792800).

Almost surely, 2^963881360520 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 963881360520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770389913600).

963881360520 is an abundant number, since it is smaller than the sum of its proper divisors (2576898466680).

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

963881360520 is a wasteful number, since it uses less digits than its factorization.

963881360520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 963881360520 in words is "nine hundred sixty-three billion, eight hundred eighty-one million, three hundred sixty thousand, five hundred twenty".