86137816 has 16 divisors (see below), whose sum is σ = 161607600. Its totient is φ = 43042464.

The previous prime is 86137787. The next prime is 86137819. The reversal of 86137816 is 61873168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86137819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21370 + ... + 25078.

It is an arithmetic number, because the mean of its divisors is an integer number (10100475).

Almost surely, 2^86137816 is an apocalyptic number.

It is an amenable number.

86137816 is a deficient number, since it is larger than the sum of its proper divisors (75469784).

86137816 is a wasteful number, since it uses less digits than its factorization.

86137816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6618 (or 6614 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 86137816 is about 9281.0460617325. The cubic root of 86137816 is about 441.6361535504.

The spelling of 86137816 in words is "eighty-six million, one hundred thirty-seven thousand, eight hundred sixteen".