889138716 has 12 divisors (see below), whose sum is σ = 2074657032. Its totient is φ = 296379568.

The previous prime is 889138697. The next prime is 889138721. The reversal of 889138716 is 617831988.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37047435 + ... + 37047458.

It is an arithmetic number, because the mean of its divisors is an integer number (172888086).

Almost surely, 2^889138716 is an apocalyptic number.

It is an amenable number.

889138716 is an abundant number, since it is smaller than the sum of its proper divisors (1185518316).

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

889138716 is a wasteful number, since it uses less digits than its factorization.

889138716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74094900 (or 74094898 counting only the distinct ones).

The product of its digits is 580608, while the sum is 51.

The square root of 889138716 is about 29818.4291336750. The cubic root of 889138716 is about 961.5897833615.

The spelling of 889138716 in words is "eight hundred eighty-nine million, one hundred thirty-eight thousand, seven hundred sixteen".