8527131868 has 24 divisors (see below), whose sum is σ = 14987589120. Its totient is φ = 4245004800.

The previous prime is 8527131859. The next prime is 8527131869. The reversal of 8527131868 is 8681317258.

It is a super-2 number, since 2×8527131868² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8527131869) 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, 908005 + ... + 917347.

It is an arithmetic number, because the mean of its divisors is an integer number (624482880).

Almost surely, 2^8527131868 is an apocalyptic number.

It is an amenable number.

8527131868 is a deficient number, since it is larger than the sum of its proper divisors (6460457252).

8527131868 is a wasteful number, since it uses less digits than its factorization.

8527131868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10317 (or 10315 counting only the distinct ones).

The product of its digits is 645120, while the sum is 49.

The square root of 8527131868 is about 92342.4705539114. The cubic root of 8527131868 is about 2042.9966746068.

The spelling of 8527131868 in words is "eight billion, five hundred twenty-seven million, one hundred thirty-one thousand, eight hundred sixty-eight".