888745645 has 16 divisors (see below), whose sum is σ = 1113678720. Its totient is φ = 679585984.

The previous prime is 888745621. The next prime is 888745651. The reversal of 888745645 is 546547888.

It is a cyclic number.

It is not a de Polignac number, because 888745645 - 2¹⁹ = 888221357 is a prime.

It is a super-3 number, since 3×888745645³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263862 + ... + 267208.

It is an arithmetic number, because the mean of its divisors is an integer number (69604920).

Almost surely, 2^888745645 is an apocalyptic number.

It is an amenable number.

888745645 is a deficient number, since it is larger than the sum of its proper divisors (224933075).

888745645 is a wasteful number, since it uses less digits than its factorization.

888745645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684.

The product of its digits is 8601600, while the sum is 55.

The square root of 888745645 is about 29811.8373301613. The cubic root of 888745645 is about 961.4480624044.

The spelling of 888745645 in words is "eight hundred eighty-eight million, seven hundred forty-five thousand, six hundred forty-five".