889937947 has 8 divisors (see below), whose sum is σ = 942653376. Its totient is φ = 837263232.

The previous prime is 889937929. The next prime is 889937957. The reversal of 889937947 is 749739988.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 889937947 - 2¹¹ = 889935899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889937957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42733 + ... + 60049.

It is an arithmetic number, because the mean of its divisors is an integer number (117831672).

Almost surely, 2^889937947 is an apocalyptic number.

889937947 is a deficient number, since it is larger than the sum of its proper divisors (52715429).

889937947 is a wasteful number, since it uses less digits than its factorization.

889937947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20357.

The product of its digits is 27433728, while the sum is 64.

The square root of 889937947 is about 29831.8277515810. The cubic root of 889937947 is about 961.8778157356.

The spelling of 889937947 in words is "eight hundred eighty-nine million, nine hundred thirty-seven thousand, nine hundred forty-seven".