9890563275 has 36 divisors (see below), whose sum is σ = 17761506048. Its totient is φ = 5261148480.

The previous prime is 9890563271. The next prime is 9890563289. The reversal of 9890563275 is 5723650989.

9890563275 is a `hidden beast` number, since 9 + 8 + 9 + 0 + 563 + 2 + 75 = 666.

It is not a de Polignac number, because 9890563275 - 2² = 9890563271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9890563271) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28789 + ... + 143561.

It is an arithmetic number, because the mean of its divisors is an integer number (493375168).

Almost surely, 2^9890563275 is an apocalyptic number.

9890563275 is a deficient number, since it is larger than the sum of its proper divisors (7870942773).

9890563275 is a wasteful number, since it uses less digits than its factorization.

9890563275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115172 (or 115164 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The square root of 9890563275 is about 99451.3110773307. The cubic root of 9890563275 is about 2146.5467025949.

The spelling of 9890563275 in words is "nine billion, eight hundred ninety million, five hundred sixty-three thousand, two hundred seventy-five".