9984985017 has 8 divisors (see below), whose sum is σ = 15215215296. Its totient is φ = 5705705712.

The previous prime is 9984984953. The next prime is 9984985033. The reversal of 9984985017 is 7105894899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9984985017 - 2⁶ = 9984984953 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9984985117) 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, 237737718 + ... + 237737759.

It is an arithmetic number, because the mean of its divisors is an integer number (1901901912).

Almost surely, 2^9984985017 is an apocalyptic number.

It is an amenable number.

9984985017 is a deficient number, since it is larger than the sum of its proper divisors (5230230279).

9984985017 is a wasteful number, since it uses less digits than its factorization.

9984985017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475475487.

The product of its (nonzero) digits is 6531840, while the sum is 60.

The square root of 9984985017 is about 99924.8968826088. The cubic root of 9984985017 is about 2153.3558565545.

The spelling of 9984985017 in words is "nine billion, nine hundred eighty-four million, nine hundred eighty-five thousand, seventeen".