86318950665585 has 32 divisors (see below), whose sum is σ = 155525992058880. Its totient is φ = 40501560427200.

The previous prime is 86318950665583. The next prime is 86318950665631. The reversal of 86318950665585 is 58556605981368.

It is not a de Polignac number, because 86318950665585 - 2¹ = 86318950665583 is a prime.

It is a super-2 number, since 2×86318950665585² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86318950665581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8437819975 + ... + 8437830204.

It is an arithmetic number, because the mean of its divisors is an integer number (4860187251840).

Almost surely, 2^{86318950665585} is an apocalyptic number.

It is an amenable number.

86318950665585 is a deficient number, since it is larger than the sum of its proper divisors (69207041393295).

86318950665585 is a wasteful number, since it uses less digits than its factorization.

86318950665585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16875650229.

The product of its (nonzero) digits is 1866240000, while the sum is 75.

The spelling of 86318950665585 in words is "eighty-six trillion, three hundred eighteen billion, nine hundred fifty million, six hundred sixty-five thousand, five hundred eighty-five".