981837901080 has 192 divisors, whose sum is σ = 3344822601120. Its totient is φ = 249496934400.

The previous prime is 981837901013. The next prime is 981837901087. The reversal of 981837901080 is 80109738189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981837901087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138811 + ... + 1408170.

Almost surely, 2^981837901080 is an apocalyptic number.

981837901080 is a gapful number since it is divisible by the number (90) 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 981837901080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672411300560).

981837901080 is an abundant number, since it is smaller than the sum of its proper divisors (2362984700040).

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

981837901080 is a wasteful number, since it uses less digits than its factorization.

981837901080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547082 (or 1547075 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 54.

The spelling of 981837901080 in words is "nine hundred eighty-one billion, eight hundred thirty-seven million, nine hundred one thousand, eighty".