9917470983 has 24 divisors (see below), whose sum is σ = 16191793920. Its totient is φ = 5368854960.

The previous prime is 9917470957. The next prime is 9917471027. The reversal of 9917470983 is 3890747199.

It is not a de Polignac number, because 9917470983 - 2⁹ = 9917470471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is the 99587-th Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9917470903) by changing a digit.

It is a nontrivial repunit in base 99586.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1772623 + ... + 1778208.

It is an arithmetic number, because the mean of its divisors is an integer number (674658080).

Almost surely, 2^9917470983 is an apocalyptic number.

9917470983 is a deficient number, since it is larger than the sum of its proper divisors (6274322937).

9917470983 is a wasteful number, since it uses less digits than its factorization.

9917470983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550867 (or 3550860 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 57.

The square root of 9917470983 is about 99586.5000037656. The cubic root of 9917470983 is about 2148.4915312493.

The spelling of 9917470983 in words is "nine billion, nine hundred seventeen million, four hundred seventy thousand, nine hundred eighty-three".