9713087999 has 4 divisors (see below), whose sum is σ = 9836038560. Its totient is φ = 9590137440.

The previous prime is 9713087971. The next prime is 9713088019. The reversal of 9713087999 is 9997803179.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9713087999 - 2²⁸ = 9444652543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9713087929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61475162 + ... + 61475319.

It is an arithmetic number, because the mean of its divisors is an integer number (2459009640).

Almost surely, 2^9713087999 is an apocalyptic number.

9713087999 is a deficient number, since it is larger than the sum of its proper divisors (122950561).

9713087999 is a wasteful number, since it uses less digits than its factorization.

9713087999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122950560.

The product of its (nonzero) digits is 7715736, while the sum is 62.

The square root of 9713087999 is about 98554.9998680940. Note that the first 3 decimals coincide. The cubic root of 9713087999 is about 2133.6299933937.

The spelling of 9713087999 in words is "nine billion, seven hundred thirteen million, eighty-seven thousand, nine hundred ninety-nine".