889653487 has 4 divisors (see below), whose sum is σ = 889823080. Its totient is φ = 889483896.

The previous prime is 889653481. The next prime is 889653497. The reversal of 889653487 is 784356988.

889653487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889653487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889653481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76668 + ... + 87505.

It is an arithmetic number, because the mean of its divisors is an integer number (222455770).

Almost surely, 2^889653487 is an apocalyptic number.

889653487 is a deficient number, since it is larger than the sum of its proper divisors (169593).

889653487 is a wasteful number, since it uses less digits than its factorization.

889653487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169592.

The product of its digits is 11612160, while the sum is 58.

The square root of 889653487 is about 29827.0596438871. The cubic root of 889653487 is about 961.7753198546.

The spelling of 889653487 in words is "eight hundred eighty-nine million, six hundred fifty-three thousand, four hundred eighty-seven".