9856902923071 has 8 divisors (see below), whose sum is σ = 9865552477424. Its totient is φ = 9848253767040.

The previous prime is 9856902923033. The next prime is 9856902923081. The reversal of 9856902923071 is 1703292096589.

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 9856902923071 - 2¹¹ = 9856902921023 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 (9856902923081) 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, 72314935 + ... + 72451111.

It is an arithmetic number, because the mean of its divisors is an integer number (1233194059678).

Almost surely, 2^{9856902923071} is an apocalyptic number.

9856902923071 is a deficient number, since it is larger than the sum of its proper divisors (8649554353).

9856902923071 is a wasteful number, since it uses less digits than its factorization.

9856902923071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199161.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 9856902923071 in words is "nine trillion, eight hundred fifty-six billion, nine hundred two million, nine hundred twenty-three thousand, seventy-one".