872583528959 has 4 divisors (see below), whose sum is σ = 872595254304. Its totient is φ = 872571803616.

The previous prime is 872583528913. The next prime is 872583528961. The reversal of 872583528959 is 959825385278.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872583528959 is a prime.

It is a super-2 number, since 2×872583528959² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 872583528892 and 872583528901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872583528259) 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, 5750327 + ... + 5900120.

It is an arithmetic number, because the mean of its divisors is an integer number (218148813576).

Almost surely, 2^872583528959 is an apocalyptic number.

872583528959 is a deficient number, since it is larger than the sum of its proper divisors (11725345).

872583528959 is a wasteful number, since it uses less digits than its factorization.

872583528959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11725344.

The product of its digits is 435456000, while the sum is 71.

The spelling of 872583528959 in words is "eight hundred seventy-two billion, five hundred eighty-three million, five hundred twenty-eight thousand, nine hundred fifty-nine".