86255884578667 has 8 divisors (see below), whose sum is σ = 91333168324272. Its totient is φ = 81178979520000.

The previous prime is 86255884578649. The next prime is 86255884578679. The reversal of 86255884578667 is 76687548855268.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86255884578667 is a prime.

It is a super-2 number, since 2×86255884578667² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86255884578607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94202709 + ... + 95113942.

It is an arithmetic number, because the mean of its divisors is an integer number (11416646040534).

Almost surely, 2^{86255884578667} is an apocalyptic number.

86255884578667 is a deficient number, since it is larger than the sum of its proper divisors (5077283745605).

86255884578667 is a wasteful number, since it uses less digits than its factorization.

86255884578667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189343469.

The product of its digits is 43352064000, while the sum is 85.

The spelling of 86255884578667 in words is "eighty-six trillion, two hundred fifty-five billion, eight hundred eighty-four million, five hundred seventy-eight thousand, six hundred sixty-seven".