872225203423660 has 48 divisors (see below), whose sum is σ = 1896430385979360. Its totient is φ = 336575598087680.

The previous prime is 872225203423643. The next prime is 872225203423661. The reversal of 872225203423660 is 66324302522278.

It is a junction number, because it is equal to n+sod(n) for n = 872225203423598 and 872225203423607.

It is not an unprimeable number, because it can be changed into a prime (872225203423661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632772601 + ... + 634149520.

It is an arithmetic number, because the mean of its divisors is an integer number (39508966374570).

Almost surely, 2^{872225203423660} is an apocalyptic number.

It is an amenable number.

872225203423660 is an abundant number, since it is smaller than the sum of its proper divisors (1024205182555700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872225203423660 is a wasteful number, since it uses less digits than its factorization.

872225203423660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266923346 (or 1266923344 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 872225203423660 in words is "eight hundred seventy-two trillion, two hundred twenty-five billion, two hundred three million, four hundred twenty-three thousand, six hundred sixty".