889420656600 has 384 divisors, whose sum is σ = 3507204096000. Its totient is φ = 202948208640.

The previous prime is 889420656589. The next prime is 889420656611. The reversal of 889420656600 is 6656024988.

It is a happy number.

889420656600 is a `hidden beast` number, since 8 + 8 + 9 + 4 + 20 + 6 + 5 + 6 + 600 = 666.

It is an interprime number because it is at equal distance from previous prime (889420656589) and next prime (889420656611).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22395561 + ... + 22435239.

It is an arithmetic number, because the mean of its divisors is an integer number (9133344000).

Almost surely, 2^889420656600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889420656600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1753602048000).

889420656600 is an abundant number, since it is smaller than the sum of its proper divisors (2617783439400).

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

889420656600 is a wasteful number, since it uses less digits than its factorization.

889420656600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40304 (or 40289 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 889420656600 in words is "eight hundred eighty-nine billion, four hundred twenty million, six hundred fifty-six thousand, six hundred".