872187352680663 has 14 divisors (see below), whose sum is σ = 1307682820961264. Its totient is φ = 581458235119956.

The previous prime is 872187352680649. The next prime is 872187352680713. The reversal of 872187352680663 is 366086253781278.

872187352680663 is a `hidden beast` number, since 8 + 7 + 2 + 18 + 7 + 3 + 526 + 80 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 872187352680663 - 2⁶ = 872187352680599 is a prime.

It is a super-2 number, since 2×872187352680663² (a number of 31 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 = 872187352680591 and 872187352680600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872187352640663) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 598208060095 + ... + 598208061552.

Almost surely, 2^{872187352680663} is an apocalyptic number.

872187352680663 is a deficient number, since it is larger than the sum of its proper divisors (435495468280601).

872187352680663 is an equidigital number, since it uses as much as digits as its factorization.

872187352680663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196416121665 (or 1196416121650 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 72.

The spelling of 872187352680663 in words is "eight hundred seventy-two trillion, one hundred eighty-seven billion, three hundred fifty-two million, six hundred eighty thousand, six hundred sixty-three".