9956393868 has 24 divisors (see below), whose sum is σ = 23233690480. Its totient is φ = 3318497280.

The previous prime is 9956393809. The next prime is 9956393897. The reversal of 9956393868 is 8683936599.

It is a junction number, because it is equal to n+sod(n) for n = 9956393799 and 9956393808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130428 + ... + 192156.

Almost surely, 2^9956393868 is an apocalyptic number.

It is an amenable number.

9956393868 is an abundant number, since it is smaller than the sum of its proper divisors (13277296612).

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

9956393868 is a wasteful number, since it uses less digits than its factorization.

9956393868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75177 (or 75175 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 66.

The square root of 9956393868 is about 99781.7311335096. The cubic root of 9956393868 is about 2151.2985750275.

The spelling of 9956393868 in words is "nine billion, nine hundred fifty-six million, three hundred ninety-three thousand, eight hundred sixty-eight".