9865916750 has 16 divisors (see below), whose sum is σ = 18468996624. Its totient is φ = 3946366600.

The previous prime is 9865916743. The next prime is 9865916759. The reversal of 9865916750 is 576195689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9865916759) 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, 19731584 + ... + 19732083.

It is an arithmetic number, because the mean of its divisors is an integer number (1154312289).

Almost surely, 2^9865916750 is an apocalyptic number.

9865916750 is a deficient number, since it is larger than the sum of its proper divisors (8603079874).

9865916750 is a wasteful number, since it uses less digits than its factorization.

9865916750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39463684 (or 39463674 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 56.

The square root of 9865916750 is about 99327.3212666082. The cubic root of 9865916750 is about 2144.7622095911.

The spelling of 9865916750 in words is "nine billion, eight hundred sixty-five million, nine hundred sixteen thousand, seven hundred fifty".