872143587293 has 4 divisors (see below), whose sum is σ = 951429367968. Its totient is φ = 792857806620.

The previous prime is 872143587209. The next prime is 872143587331. The reversal of 872143587293 is 392785341278.

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 not a de Polignac number, because 872143587293 - 2⁸ = 872143587037 is a prime.

It is a super-2 number, since 2×872143587293² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872143587493) 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, 39642890321 + ... + 39642890342.

It is an arithmetic number, because the mean of its divisors is an integer number (237857341992).

Almost surely, 2^872143587293 is an apocalyptic number.

It is an amenable number.

872143587293 is a deficient number, since it is larger than the sum of its proper divisors (79285780675).

872143587293 is a wasteful number, since it uses less digits than its factorization.

872143587293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79285780674.

The product of its digits is 20321280, while the sum is 59.

The spelling of 872143587293 in words is "eight hundred seventy-two billion, one hundred forty-three million, five hundred eighty-seven thousand, two hundred ninety-three".