888540285165225 has 192 divisors, whose sum is σ = 1834227887616000. Its totient is φ = 368723286604800.

The previous prime is 888540285165217. The next prime is 888540285165227. The reversal of 888540285165225 is 522561582045888.

It is not a de Polignac number, because 888540285165225 - 2³ = 888540285165217 is a prime.

It is a super-2 number, since 2×888540285165225² (a number of 31 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 888540285165225.

It is not an unprimeable number, because it can be changed into a prime (888540285165227) 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 191 ways as a sum of consecutive naturals, for example, 14801820511 + ... + 14801880539.

It is an arithmetic number, because the mean of its divisors is an integer number (9553270248000).

Almost surely, 2^{888540285165225} is an apocalyptic number.

It is an amenable number.

888540285165225 is an abundant number, since it is smaller than the sum of its proper divisors (945687602450775).

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

888540285165225 is a wasteful number, since it uses less digits than its factorization.

888540285165225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63768 (or 63763 counting only the distinct ones).

The product of its (nonzero) digits is 491520000, while the sum is 69.

The spelling of 888540285165225 in words is "eight hundred eighty-eight trillion, five hundred forty billion, two hundred eighty-five million, one hundred sixty-five thousand, two hundred twenty-five".