9661925883 has 16 divisors (see below), whose sum is σ = 13078956800. Its totient is φ = 6343150176.

The previous prime is 9661925881. The next prime is 9661925887. The reversal of 9661925883 is 3885291669.

It is not a de Polignac number, because 9661925883 - 2¹ = 9661925881 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9661925881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909066 + ... + 919632.

It is an arithmetic number, because the mean of its divisors is an integer number (817434800).

Almost surely, 2^9661925883 is an apocalyptic number.

9661925883 is a deficient number, since it is larger than the sum of its proper divisors (3417030917).

9661925883 is a wasteful number, since it uses less digits than its factorization.

9661925883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15186.

The product of its digits is 5598720, while the sum is 57.

The square root of 9661925883 is about 98295.0959254835. The cubic root of 9661925883 is about 2129.8772132706.

The spelling of 9661925883 in words is "nine billion, six hundred sixty-one million, nine hundred twenty-five thousand, eight hundred eighty-three".