8913563975 has 24 divisors (see below), whose sum is σ = 11509813920. Its totient is φ = 6839280000.

The previous prime is 8913563929. The next prime is 8913563977. The reversal of 8913563975 is 5793653198.

It is not a de Polignac number, because 8913563975 - 2¹⁶ = 8913498439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8913563975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8913563977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68765 + ... + 150185.

It is an arithmetic number, because the mean of its divisors is an integer number (479575580).

Almost surely, 2^8913563975 is an apocalyptic number.

8913563975 is a deficient number, since it is larger than the sum of its proper divisors (2596249945).

8913563975 is a wasteful number, since it uses less digits than its factorization.

8913563975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81611 (or 81606 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 56.

The square root of 8913563975 is about 94411.6728747034. The cubic root of 8913563975 is about 2073.4033471467.

The spelling of 8913563975 in words is "eight billion, nine hundred thirteen million, five hundred sixty-three thousand, nine hundred seventy-five".