889738558 has 16 divisors (see below), whose sum is σ = 1357506864. Its totient is φ = 437247360.

The previous prime is 889738541. The next prime is 889738561. The reversal of 889738558 is 855837988.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a junction number, because it is equal to n+sod(n) for n = 889738496 and 889738505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274966 + ... + 278182.

It is an arithmetic number, because the mean of its divisors is an integer number (84844179).

Almost surely, 2^889738558 is an apocalyptic number.

889738558 is a deficient number, since it is larger than the sum of its proper divisors (467768306).

889738558 is a wasteful number, since it uses less digits than its factorization.

889738558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547.

The product of its digits is 19353600, while the sum is 61.

The square root of 889738558 is about 29828.4856806376. The cubic root of 889738558 is about 961.8059747038.

The spelling of 889738558 in words is "eight hundred eighty-nine million, seven hundred thirty-eight thousand, five hundred fifty-eight".