86666642743835 has 16 divisors (see below), whose sum is σ = 129662301871872. Its totient is φ = 54025959112800.

The previous prime is 86666642743801. The next prime is 86666642743841. The reversal of 86666642743835 is 53834724666668.

It is not a de Polignac number, because 86666642743835 - 2¹⁸ = 86666642481691 is a prime.

It is a super-2 number, since 2×86666642743835² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112554081101 + ... + 112554081870.

It is an arithmetic number, because the mean of its divisors is an integer number (8103893866992).

Almost surely, 2^{86666642743835} is an apocalyptic number.

86666642743835 is a deficient number, since it is larger than the sum of its proper divisors (42995659128037).

86666642743835 is a wasteful number, since it uses less digits than its factorization.

86666642743835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225108162994.

The product of its digits is 5016453120, while the sum is 74.

The spelling of 86666642743835 in words is "eighty-six trillion, six hundred sixty-six billion, six hundred forty-two million, seven hundred forty-three thousand, eight hundred thirty-five".