889656672 has 48 divisors (see below), whose sum is σ = 2337198192. Its totient is φ = 296317440.

The previous prime is 889656661. The next prime is 889656679. The reversal of 889656672 is 276656988.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889656679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152758 + ... + 158474.

It is an arithmetic number, because the mean of its divisors is an integer number (48691629).

Almost surely, 2^889656672 is an apocalyptic number.

It is an amenable number.

889656672 is an abundant number, since it is smaller than the sum of its proper divisors (1447541520).

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

889656672 is a wasteful number, since it uses less digits than its factorization.

889656672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351 (or 7343 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The square root of 889656672 is about 29827.1130349553. The cubic root of 889656672 is about 961.7764675864.

The spelling of 889656672 in words is "eight hundred eighty-nine million, six hundred fifty-six thousand, six hundred seventy-two".