890487784098 has 96 divisors (see below), whose sum is σ = 2140039923840. Its totient is φ = 265360942080.

The previous prime is 890487784097. The next prime is 890487784139.

890487784098 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (890487784091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2867683 + ... + 3163001.

It is an arithmetic number, because the mean of its divisors is an integer number (22292082540).

Almost surely, 2^890487784098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 890487784098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070019961920).

890487784098 is an abundant number, since it is smaller than the sum of its proper divisors (1249552139742).

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

890487784098 is a wasteful number, since it uses less digits than its factorization.

890487784098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295592 (or 295589 counting only the distinct ones).

The product of its (nonzero) digits is 260112384, while the sum is 72.

The spelling of 890487784098 in words is "eight hundred ninety billion, four hundred eighty-seven million, seven hundred eighty-four thousand, ninety-eight".