86518548837 has 12 divisors (see below), whose sum is σ = 142824271200. Its totient is φ = 49439170728.

The previous prime is 86518548793. The next prime is 86518548859. The reversal of 86518548837 is 73884581568.

86518548837 is a `hidden beast` number, since 8 + 6 + 5 + 1 + 8 + 548 + 83 + 7 = 666.

It is not a de Polignac number, because 86518548837 - 2¹¹ = 86518546789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 1373310299 = 86518548837 / (8 + 6 + 5 + 1 + 8 + 5 + 4 + 8 + 8 + 3 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86518548877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686655087 + ... + 686655212.

It is an arithmetic number, because the mean of its divisors is an integer number (11902022600).

Almost surely, 2^86518548837 is an apocalyptic number.

It is an amenable number.

86518548837 is a deficient number, since it is larger than the sum of its proper divisors (56305722363).

86518548837 is a wasteful number, since it uses less digits than its factorization.

86518548837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373310312 (or 1373310309 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 63.

The spelling of 86518548837 in words is "eighty-six billion, five hundred eighteen million, five hundred forty-eight thousand, eight hundred thirty-seven".