85485773766 has 32 divisors (see below), whose sum is σ = 175623752448. Its totient is φ = 27720165600.

The previous prime is 85485773749. The next prime is 85485773831. The reversal of 85485773766 is 66737758458.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85485773697 and 85485773706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1334221 + ... + 1396823.

It is an arithmetic number, because the mean of its divisors is an integer number (5488242264).

Almost surely, 2^85485773766 is an apocalyptic number.

85485773766 is an abundant number, since it is smaller than the sum of its proper divisors (90137978682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85485773766 is a wasteful number, since it uses less digits than its factorization.

85485773766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68796.

The product of its digits is 237081600, while the sum is 66.

The spelling of 85485773766 in words is "eighty-five billion, four hundred eighty-five million, seven hundred seventy-three thousand, seven hundred sixty-six".