898889880 has 256 divisors, whose sum is σ = 3176340480. Its totient is φ = 199286784.

The previous prime is 898889879. The next prime is 898889881. The reversal of 898889880 is 88988898.

It is an interprime number because it is at equal distance from previous prime (898889879) and next prime (898889881).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898889881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6561172 + ... + 6561308.

It is an arithmetic number, because the mean of its divisors is an integer number (12407580).

Almost surely, 2^898889880 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 898889880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1588170240).

898889880 is an abundant number, since it is smaller than the sum of its proper divisors (2277450600).

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

898889880 is a wasteful number, since it uses less digits than its factorization.

898889880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 66.

The square root of 898889880 is about 29981.4922910785. The cubic root of 898889880 is about 965.0922549545.

The spelling of 898889880 in words is "eight hundred ninety-eight million, eight hundred eighty-nine thousand, eight hundred eighty".