9985876993 has 8 divisors (see below), whose sum is σ = 10700671968. Its totient is φ = 9285236544.

The previous prime is 9985876973. The next prime is 9985877017. The reversal of 9985876993 is 3996785899.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9985876993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9985876933) 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, 3537171 + ... + 3539992.

It is an arithmetic number, because the mean of its divisors is an integer number (1337583996).

Almost surely, 2^9985876993 is an apocalyptic number.

It is an amenable number.

9985876993 is a deficient number, since it is larger than the sum of its proper divisors (714794975).

9985876993 is a wasteful number, since it uses less digits than its factorization.

9985876993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077263.

The product of its digits is 264539520, while the sum is 73.

The square root of 9985876993 is about 99929.3600149626. The cubic root of 9985876993 is about 2153.4199756476.

The spelling of 9985876993 in words is "nine billion, nine hundred eighty-five million, eight hundred seventy-six thousand, nine hundred ninety-three".