86134563 has 64 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 50181120.

The previous prime is 86134561. The next prime is 86134567. The reversal of 86134563 is 36543168.

86134563 is a `hidden beast` number, since 8 + 61 + 34 + 563 = 666.

It is not a de Polignac number, because 86134563 - 2¹ = 86134561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86134561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 432738 + ... + 432936.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2^86134563 is an apocalyptic number.

86134563 is a deficient number, since it is larger than the sum of its proper divisors (59017437).

86134563 is a wasteful number, since it uses less digits than its factorization.

86134563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 283 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 86134563 is about 9280.8708104358. The cubic root of 86134563 is about 441.6305940081.

The spelling of 86134563 in words is "eighty-six million, one hundred thirty-four thousand, five hundred sixty-three".