9875775863 has 4 divisors (see below), whose sum is σ = 10395553560. Its totient is φ = 9355998168.

The previous prime is 9875775853. The next prime is 9875775907. The reversal of 9875775863 is 3685775789.

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 9875775863 - 2⁸ = 9875775607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9875775863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9875775853) 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, 259888820 + ... + 259888857.

It is an arithmetic number, because the mean of its divisors is an integer number (2598888390).

Almost surely, 2^9875775863 is an apocalyptic number.

9875775863 is a deficient number, since it is larger than the sum of its proper divisors (519777697).

9875775863 is a wasteful number, since it uses less digits than its factorization.

9875775863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519777696.

The product of its digits is 88905600, while the sum is 65.

The square root of 9875775863 is about 99376.9382854996. The cubic root of 9875775863 is about 2145.4763994564.

The spelling of 9875775863 in words is "nine billion, eight hundred seventy-five million, seven hundred seventy-five thousand, eight hundred sixty-three".