85982294473 has 2 divisors, whose sum is σ = 85982294474. Its totient is φ = 85982294472.

The previous prime is 85982294443. The next prime is 85982294477. The reversal of 85982294473 is 37449228958.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60443697609 + 25538596864 = 245853^2 + 159808^2 .

It is a cyclic number.

It is not a de Polignac number, because 85982294473 - 2⁵ = 85982294441 is a prime.

It is not a weakly prime, because it can be changed into another prime (85982294477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42991147236 + 42991147237.

It is an arithmetic number, because the mean of its divisors is an integer number (42991147237).

Almost surely, 2^85982294473 is an apocalyptic number.

It is an amenable number.

85982294473 is a deficient number, since it is larger than the sum of its proper divisors (1).

85982294473 is an equidigital number, since it uses as much as digits as its factorization.

85982294473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 61.

The spelling of 85982294473 in words is "eighty-five billion, nine hundred eighty-two million, two hundred ninety-four thousand, four hundred seventy-three".