9894868263 has 72 divisors (see below), whose sum is σ = 16936058880. Its totient is φ = 5549675040.

The previous prime is 9894868223. The next prime is 9894868271. The reversal of 9894868263 is 3628684989.

9894868263 is a `hidden beast` number, since 98 + 9 + 486 + 8 + 2 + 63 = 666.

It is not a de Polignac number, because 9894868263 - 2¹² = 9894864167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 9894868263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9894868223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6653506 + ... + 6654992.

It is an arithmetic number, because the mean of its divisors is an integer number (235223040).

Almost surely, 2^9894868263 is an apocalyptic number.

9894868263 is a deficient number, since it is larger than the sum of its proper divisors (7041190617).

9894868263 is a wasteful number, since it uses less digits than its factorization.

With its successor (9894868264) it forms an eRAP, since the sums of their prime factors are consecutive (1777 and 1778).

9894868263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777 (or 1767 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The square root of 9894868263 is about 99472.9524192381. The cubic root of 9894868263 is about 2146.8580942765.

The spelling of 9894868263 in words is "nine billion, eight hundred ninety-four million, eight hundred sixty-eight thousand, two hundred sixty-three".