898622656904 has 128 divisors (see below), whose sum is σ = 1983728640000. Its totient is φ = 381447698688.

The previous prime is 898622656847. The next prime is 898622656951. The reversal of 898622656904 is 409656226898.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247076174 + ... + 247079810.

It is an arithmetic number, because the mean of its divisors is an integer number (15497880000).

Almost surely, 2^898622656904 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 898622656904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991864320000).

898622656904 is an abundant number, since it is smaller than the sum of its proper divisors (1085105983096).

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

898622656904 is a wasteful number, since it uses less digits than its factorization.

898622656904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500 (or 4482 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 65.

The spelling of 898622656904 in words is "eight hundred ninety-eight billion, six hundred twenty-two million, six hundred fifty-six thousand, nine hundred four".