86271566 has 16 divisors (see below), whose sum is σ = 137195856. Its totient is φ = 40546176.

The previous prime is 86271557. The next prime is 86271569. The reversal of 86271566 is 66517268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86271569) 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, 42425 + ... + 44411.

It is an arithmetic number, because the mean of its divisors is an integer number (8574741).

Almost surely, 2^86271566 is an apocalyptic number.

86271566 is a deficient number, since it is larger than the sum of its proper divisors (50924290).

86271566 is a wasteful number, since it uses less digits than its factorization.

86271566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283.

The product of its digits is 120960, while the sum is 41.

The square root of 86271566 is about 9288.2488123435. The cubic root of 86271566 is about 441.8646180108.

The spelling of 86271566 in words is "eighty-six million, two hundred seventy-one thousand, five hundred sixty-six".