888969893904 has 45 divisors (see below), whose sum is σ = 2487912687039. Its totient is φ = 296319526560.

The previous prime is 888969893897. The next prime is 888969893947. The reversal of 888969893904 is 409398969888.

The square root of 888969893904 is 942852.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×888969893904² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11274939 + ... + 11353509.

Almost surely, 2^888969893904 is an apocalyptic number.

888969893904 is the 942852-nd square number.

It is an amenable number.

888969893904 is an abundant number, since it is smaller than the sum of its proper divisors (1598942793135).

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

888969893904 is an frugal number, since it uses more digits than its factorization.

888969893904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157156 (or 78576 counting only the distinct ones).

The product of its (nonzero) digits is 1934917632, while the sum is 81.

Multiplying 888969893904 by its sum of digits (81), we get a square (72006561406224 = 8485668²).

The spelling of 888969893904 in words is "eight hundred eighty-eight billion, nine hundred sixty-nine million, eight hundred ninety-three thousand, nine hundred four".