9353998866 has 16 divisors (see below), whose sum is σ = 18900864864. Its totient is φ = 3085855104.

The previous prime is 9353998847. The next prime is 9353998867. The reversal of 9353998866 is 6688993539.

It is a junction number, because it is equal to n+sod(n) for n = 9353998797 and 9353998806.

It is not an unprimeable number, because it can be changed into a prime (9353998867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8035500 + ... + 8036663.

It is an arithmetic number, because the mean of its divisors is an integer number (1181304054).

Almost surely, 2^9353998866 is an apocalyptic number.

9353998866 is an abundant number, since it is smaller than the sum of its proper divisors (9546865998).

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

9353998866 is a wasteful number, since it uses less digits than its factorization.

9353998866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16072265.

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

The square root of 9353998866 is about 96716.0734624809. The cubic root of 9353998866 is about 2107.0059934445.

The spelling of 9353998866 in words is "nine billion, three hundred fifty-three million, nine hundred ninety-eight thousand, eight hundred sixty-six".