85865065078827 has 8 divisors (see below), whose sum is σ = 118434572522640. Its totient is φ = 55269467177120.

The previous prime is 85865065078813. The next prime is 85865065078841. The reversal of 85865065078827 is 72887056056858.

It is an interprime number because it is at equal distance from previous prime (85865065078813) and next prime (85865065078841).

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

It is a cyclic number.

It is not a de Polignac number, because 85865065078827 - 2⁸ = 85865065078571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85865065078927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493477385424 + ... + 493477385597.

It is an arithmetic number, because the mean of its divisors is an integer number (14804321565330).

Almost surely, 2^{85865065078827} is an apocalyptic number.

85865065078827 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

85865065078827 is a deficient number, since it is larger than the sum of its proper divisors (32569507443813).

85865065078827 is a wasteful number, since it uses less digits than its factorization.

85865065078827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986954771053.

The product of its (nonzero) digits is 1806336000, while the sum is 75.

The spelling of 85865065078827 in words is "eighty-five trillion, eight hundred sixty-five billion, sixty-five million, seventy-eight thousand, eight hundred twenty-seven".