9963480755 has 32 divisors (see below), whose sum is σ = 12509392896. Its totient is φ = 7609680000.

The previous prime is 9963480749. The next prime is 9963480767. The reversal of 9963480755 is 5570843699.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-9963480755 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9963480755.

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 31 ways as a sum of consecutive naturals, for example, 3673850 + ... + 3676560.

It is an arithmetic number, because the mean of its divisors is an integer number (390918528).

Almost surely, 2^9963480755 is an apocalyptic number.

9963480755 is a deficient number, since it is larger than the sum of its proper divisors (2545912141).

9963480755 is a wasteful number, since it uses less digits than its factorization.

With its successor (9963480756) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (3059).

9963480755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The square root of 9963480755 is about 99817.2367629960. The cubic root of 9963480755 is about 2151.8088800705.

The spelling of 9963480755 in words is "nine billion, nine hundred sixty-three million, four hundred eighty thousand, seven hundred fifty-five".