86522871 has 16 divisors (see below), whose sum is σ = 118143360. Its totient is φ = 56303520.

The previous prime is 86522869. The next prime is 86522893. The reversal of 86522871 is 17822568.

It is not a de Polignac number, because 86522871 - 2¹ = 86522869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86522831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32260 + ... + 34838.

It is an arithmetic number, because the mean of its divisors is an integer number (7383960).

Almost surely, 2^86522871 is an apocalyptic number.

86522871 is a deficient number, since it is larger than the sum of its proper divisors (31620489).

86522871 is a wasteful number, since it uses less digits than its factorization.

86522871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846.

The product of its digits is 53760, while the sum is 39.

The square root of 86522871 is about 9301.7670901824. The cubic root of 86522871 is about 442.2932456816.

The spelling of 86522871 in words is "eighty-six million, five hundred twenty-two thousand, eight hundred seventy-one".