872383575473 has 4 divisors (see below), whose sum is σ = 874455745908. Its totient is φ = 870311405040.

The previous prime is 872383575467. The next prime is 872383575559. The reversal of 872383575473 is 374575383278.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 254008944049 + 618374631424 = 503993^2 + 786368^2 .

It is a cyclic number.

It is not a de Polignac number, because 872383575473 - 2⁴ = 872383575457 is a prime.

It is a super-2 number, since 2×872383575473² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872383575403) 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, 1036084586 + ... + 1036085427.

It is an arithmetic number, because the mean of its divisors is an integer number (218613936477).

Almost surely, 2^872383575473 is an apocalyptic number.

It is an amenable number.

872383575473 is a deficient number, since it is larger than the sum of its proper divisors (2072170435).

872383575473 is a wasteful number, since it uses less digits than its factorization.

872383575473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072170434.

The product of its digits is 118540800, while the sum is 62.

The spelling of 872383575473 in words is "eight hundred seventy-two billion, three hundred eighty-three million, five hundred seventy-five thousand, four hundred seventy-three".