85662167785 has 16 divisors (see below), whose sum is σ = 106271700480. Its totient is φ = 66218382720.

The previous prime is 85662167779. The next prime is 85662167803. The reversal of 85662167785 is 58776126658.

It is not a de Polignac number, because 85662167785 - 2¹⁹ = 85661643497 is a prime.

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, 317172 + ... + 521461.

It is an arithmetic number, because the mean of its divisors is an integer number (6641981280).

Almost surely, 2^85662167785 is an apocalyptic number.

It is an amenable number.

85662167785 is a deficient number, since it is larger than the sum of its proper divisors (20609532695).

85662167785 is a wasteful number, since it uses less digits than its factorization.

85662167785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839328.

The product of its digits is 33868800, while the sum is 61.

The spelling of 85662167785 in words is "eighty-five billion, six hundred sixty-two million, one hundred sixty-seven thousand, seven hundred eighty-five".