85844959773 has 4 divisors (see below), whose sum is σ = 114459946368. Its totient is φ = 57229973180.

The previous prime is 85844959757. The next prime is 85844959831. The reversal of 85844959773 is 37795944858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85844959773 - 2⁴ = 85844959757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85844959698 and 85844959707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85844954773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14307493293 + ... + 14307493298.

It is an arithmetic number, because the mean of its divisors is an integer number (28614986592).

Almost surely, 2^85844959773 is an apocalyptic number.

It is an amenable number.

85844959773 is a deficient number, since it is larger than the sum of its proper divisors (28614986595).

85844959773 is a wasteful number, since it uses less digits than its factorization.

85844959773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28614986594.

The product of its digits is 304819200, while the sum is 69.

The spelling of 85844959773 in words is "eighty-five billion, eight hundred forty-four million, nine hundred fifty-nine thousand, seven hundred seventy-three".