9969299888 has 10 divisors (see below), whose sum is σ = 19315518564. Its totient is φ = 4984649936.

The previous prime is 9969299831. The next prime is 9969299891. The reversal of 9969299888 is 8889929699.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311540606 + ... + 311540637.

Almost surely, 2^9969299888 is an apocalyptic number.

It is an amenable number.

9969299888 is a deficient number, since it is larger than the sum of its proper divisors (9346218676).

9969299888 is a wasteful number, since it uses less digits than its factorization.

9969299888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623081251 (or 623081245 counting only the distinct ones).

The product of its digits is 362797056, while the sum is 77.

The square root of 9969299888 is about 99846.3814467004. The cubic root of 9969299888 is about 2152.2277171355.

The spelling of 9969299888 in words is "nine billion, nine hundred sixty-nine million, two hundred ninety-nine thousand, eight hundred eighty-eight".