8534891508 has 96 divisors (see below), whose sum is σ = 23417640960. Its totient is φ = 2385210240.

The previous prime is 8534891503. The next prime is 8534891527. The reversal of 8534891508 is 8051984358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8534891501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3223041 + ... + 3225687.

It is an arithmetic number, because the mean of its divisors is an integer number (243933760).

Almost surely, 2^8534891508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8534891508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11708820480).

8534891508 is an abundant number, since it is smaller than the sum of its proper divisors (14882749452).

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

8534891508 is a wasteful number, since it uses less digits than its factorization.

8534891508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557 (or 4555 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The square root of 8534891508 is about 92384.4765531526. The cubic root of 8534891508 is about 2043.6161917239.

The spelling of 8534891508 in words is "eight billion, five hundred thirty-four million, eight hundred ninety-one thousand, five hundred eight".