9956813896 has 16 divisors (see below), whose sum is σ = 19480723200. Its totient is φ = 4761954384.

The previous prime is 9956813887. The next prime is 9956813897. The reversal of 9956813896 is 6983186599.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9956813897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27056376 + ... + 27056743.

It is an arithmetic number, because the mean of its divisors is an integer number (1217545200).

Almost surely, 2^9956813896 is an apocalyptic number.

It is an amenable number.

9956813896 is a deficient number, since it is larger than the sum of its proper divisors (9523909304).

9956813896 is a wasteful number, since it uses less digits than its factorization.

9956813896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54113148 (or 54113144 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 64.

The square root of 9956813896 is about 99783.8358452911. The cubic root of 9956813896 is about 2151.3288267078.

The spelling of 9956813896 in words is "nine billion, nine hundred fifty-six million, eight hundred thirteen thousand, eight hundred ninety-six".