872396817575 has 12 divisors (see below), whose sum is σ = 1116667927488. Its totient is φ = 675403987200.

The previous prime is 872396817571. The next prime is 872396817577. The reversal of 872396817575 is 575718693278.

It is not a de Polignac number, because 872396817575 - 2² = 872396817571 is a prime.

It is a super-2 number, since 2×872396817575² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872396817571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562835882 + ... + 562837431.

It is an arithmetic number, because the mean of its divisors is an integer number (93055660624).

Almost surely, 2^872396817575 is an apocalyptic number.

872396817575 is a deficient number, since it is larger than the sum of its proper divisors (244271109913).

872396817575 is a wasteful number, since it uses less digits than its factorization.

872396817575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125673354 (or 1125673349 counting only the distinct ones).

The product of its digits is 177811200, while the sum is 68.

The spelling of 872396817575 in words is "eight hundred seventy-two billion, three hundred ninety-six million, eight hundred seventeen thousand, five hundred seventy-five".