86163237 has 16 divisors (see below), whose sum is σ = 127946880. Its totient is φ = 57308256.

The previous prime is 86163227. The next prime is 86163239. The reversal of 86163237 is 73236168.

It is a happy number.

86163237 is a `hidden beast` number, since 8 + 616 + 3 + 2 + 37 = 666.

It is not a de Polignac number, because 86163237 - 2¹⁰ = 86162213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86163239) 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, 8848 + ... + 15830.

It is an arithmetic number, because the mean of its divisors is an integer number (7996680).

Almost surely, 2^86163237 is an apocalyptic number.

It is an amenable number.

86163237 is a deficient number, since it is larger than the sum of its proper divisors (41783643).

86163237 is a wasteful number, since it uses less digits than its factorization.

86163237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7449 (or 7443 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 86163237 is about 9282.4154722788. The cubic root of 86163237 is about 441.6795945110.

The spelling of 86163237 in words is "eighty-six million, one hundred sixty-three thousand, two hundred thirty-seven".