85682268722 has 18 divisors (see below), whose sum is σ = 129178082943. Its totient is φ = 42624011292.

The previous prime is 85682268647. The next prime is 85682268731. The reversal of 85682268722 is 22786228658.

It can be written as a sum of positive squares in only one way, i.e., 42841134361 + 42841134361 = 206981^2 + 206981^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=206981.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 108871613 + ... + 108872399.

Almost surely, 2^85682268722 is an apocalyptic number.

85682268722 is a deficient number, since it is larger than the sum of its proper divisors (43495814221).

85682268722 is an frugal number, since it uses more digits than its factorization.

85682268722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102 (or 1052 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 56.

The spelling of 85682268722 in words is "eighty-five billion, six hundred eighty-two million, two hundred sixty-eight thousand, seven hundred twenty-two".