8534891560 has 32 divisors (see below), whose sum is σ = 20680700040. Its totient is φ = 3151344384.

The previous prime is 8534891527. The next prime is 8534891569. The reversal of 8534891560 is 651984358.

It can be written as a sum of positive squares in 4 ways, for example, as 4713920964 + 3820970596 = 68658^2 + 61814^2 .

It is not an unprimeable number, because it can be changed into a prime (8534891569) 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, 8206107 + ... + 8207146.

Almost surely, 2^8534891560 is an apocalyptic number.

It is an amenable number.

8534891560 is an abundant number, since it is smaller than the sum of its proper divisors (12145808480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8534891560 is a wasteful number, since it uses less digits than its factorization.

8534891560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16413277 (or 16413273 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 8534891560 is about 92384.4768345851. The cubic root of 8534891560 is about 2043.6161958743.

The spelling of 8534891560 in words is "eight billion, five hundred thirty-four million, eight hundred ninety-one thousand, five hundred sixty".