872563825145 has 32 divisors (see below), whose sum is σ = 1122288507648. Its totient is φ = 649564109568.

The previous prime is 872563825141. The next prime is 872563825163. The reversal of 872563825145 is 541528365278.

It is a cyclic number.

It is not a de Polignac number, because 872563825145 - 2² = 872563825141 is a prime.

It is a super-2 number, since 2×872563825145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (872563825141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56996582 + ... + 57011888.

It is an arithmetic number, because the mean of its divisors is an integer number (35071515864).

Almost surely, 2^872563825145 is an apocalyptic number.

It is an amenable number.

872563825145 is a deficient number, since it is larger than the sum of its proper divisors (249724682503).

872563825145 is a wasteful number, since it uses less digits than its factorization.

872563825145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28769.

The product of its digits is 16128000, while the sum is 56.

The spelling of 872563825145 in words is "eight hundred seventy-two billion, five hundred sixty-three million, eight hundred twenty-five thousand, one hundred forty-five".