9687757213 has 8 divisors (see below), whose sum is σ = 9724173056. Its totient is φ = 9651376800.

The previous prime is 9687757199. The next prime is 9687757217. The reversal of 9687757213 is 3127577869.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9687757213 - 2¹³ = 9687749021 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 (9687757217) 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, 621748 + ... + 637138.

It is an arithmetic number, because the mean of its divisors is an integer number (1215521632).

Almost surely, 2^9687757213 is an apocalyptic number.

It is an amenable number.

9687757213 is a deficient number, since it is larger than the sum of its proper divisors (36415843).

9687757213 is a wasteful number, since it uses less digits than its factorization.

9687757213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17715.

The product of its digits is 4445280, while the sum is 55.

The square root of 9687757213 is about 98426.4050598212. The cubic root of 9687757213 is about 2131.7736124073.

The spelling of 9687757213 in words is "nine billion, six hundred eighty-seven million, seven hundred fifty-seven thousand, two hundred thirteen".