889078320 has 360 divisors, whose sum is σ = 3361774416. Its totient is φ = 209212416.

The previous prime is 889078319. The next prime is 889078349. The reversal of 889078320 is 23870988.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18916537 + ... + 18916583.

Almost surely, 2^889078320 is an apocalyptic number.

889078320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889078320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680887208).

889078320 is an abundant number, since it is smaller than the sum of its proper divisors (2472696096).

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

889078320 is a wasteful number, since it uses less digits than its factorization.

889078320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 889078320 is about 29817.4163870715. The cubic root of 889078320 is about 961.5680104216.

The spelling of 889078320 in words is "eight hundred eighty-nine million, seventy-eight thousand, three hundred twenty".