8534059891 has 12 divisors (see below), whose sum is σ = 10360680208. Its totient is φ = 6884618112.

The previous prime is 8534059867. The next prime is 8534059907. The reversal of 8534059891 is 1989504358.

It is not a de Polignac number, because 8534059891 - 2¹¹ = 8534057843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8534059811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2107236 + ... + 2111281.

Almost surely, 2^8534059891 is an apocalyptic number.

8534059891 is a deficient number, since it is larger than the sum of its proper divisors (1826620317).

8534059891 is a wasteful number, since it uses less digits than its factorization.

8534059891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218558 (or 4218541 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The square root of 8534059891 is about 92379.9755953637. The cubic root of 8534059891 is about 2043.5498147362.

The spelling of 8534059891 in words is "eight billion, five hundred thirty-four million, fifty-nine thousand, eight hundred ninety-one".