898765022880 has 240 divisors, whose sum is σ = 3245658492384. Its totient is φ = 234096791040.

The previous prime is 898765022873. The next prime is 898765022933. The reversal of 898765022880 is 88220567898.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 249106 + ... + 1363665.

Almost surely, 2^898765022880 is an apocalyptic number.

898765022880 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 898765022880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622829246192).

898765022880 is an abundant number, since it is smaller than the sum of its proper divisors (2346893469504).

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

898765022880 is a wasteful number, since it uses less digits than its factorization.

898765022880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612841 (or 1612824 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The spelling of 898765022880 in words is "eight hundred ninety-eight billion, seven hundred sixty-five million, twenty-two thousand, eight hundred eighty".