85166627811 has 8 divisors (see below), whose sum is σ = 113636678400. Its totient is φ = 56737164552.

The previous prime is 85166627809. The next prime is 85166627813. The reversal of 85166627811 is 11872666158.

It is an interprime number because it is at equal distance from previous prime (85166627809) and next prime (85166627813).

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

It is not a de Polignac number, because 85166627811 - 2¹ = 85166627809 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85166627813) 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, 10141935 + ... + 10150328.

It is an arithmetic number, because the mean of its divisors is an integer number (14204584800).

Almost surely, 2^85166627811 is an apocalyptic number.

85166627811 is a deficient number, since it is larger than the sum of its proper divisors (28470050589).

85166627811 is a wasteful number, since it uses less digits than its factorization.

85166627811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20293665.

The product of its digits is 967680, while the sum is 51.

The spelling of 85166627811 in words is "eighty-five billion, one hundred sixty-six million, six hundred twenty-seven thousand, eight hundred eleven".