85823173973 has 8 divisors (see below), whose sum is σ = 88608539136. Its totient is φ = 83038863600.

The previous prime is 85823173963. The next prime is 85823173993. The reversal of 85823173973 is 37937132858.

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

It is a cyclic number.

It is not a de Polignac number, because 85823173973 - 2²⁰ = 85822125397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85823173903) 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, 96638 + ... + 425423.

It is an arithmetic number, because the mean of its divisors is an integer number (11076067392).

Almost surely, 2^85823173973 is an apocalyptic number.

It is an amenable number.

85823173973 is a deficient number, since it is larger than the sum of its proper divisors (2785365163).

85823173973 is a wasteful number, since it uses less digits than its factorization.

85823173973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527395.

The product of its digits is 7620480, while the sum is 56.

The spelling of 85823173973 in words is "eighty-five billion, eight hundred twenty-three million, one hundred seventy-three thousand, nine hundred seventy-three".