86686458365 has 8 divisors (see below), whose sum is σ = 112025577048. Its totient is φ = 64014615360.

The previous prime is 86686458337. The next prime is 86686458371. The reversal of 86686458365 is 56385468668.

It can be written as a sum of positive squares in 4 ways, for example, as 19701771769 + 66984686596 = 140363^2 + 258814^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86686458365 - 2¹⁶ = 86686392829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65), and also a Moran number because the ratio is a prime number: 1333637821 = 86686458365 / (8 + 6 + 6 + 8 + 6 + 4 + 5 + 8 + 3 + 6 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666818846 + ... + 666818975.

It is an arithmetic number, because the mean of its divisors is an integer number (14003197131).

Almost surely, 2^86686458365 is an apocalyptic number.

It is an amenable number.

86686458365 is a deficient number, since it is larger than the sum of its proper divisors (25339118683).

86686458365 is a wasteful number, since it uses less digits than its factorization.

86686458365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333637839.

The product of its digits is 199065600, while the sum is 65.

The spelling of 86686458365 in words is "eighty-six billion, six hundred eighty-six million, four hundred fifty-eight thousand, three hundred sixty-five".