987335244000 has 1728 divisors, whose sum is σ = 4319657911296. Its totient is φ = 216950400000.

The previous prime is 987335243977. The next prime is 987335244019. The reversal of 987335244000 is 442533789.

987335244000 is a `hidden beast` number, since 9 + 87 + 3 + 3 + 524 + 40 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 6538643925 + ... + 6538644075.

It is an arithmetic number, because the mean of its divisors is an integer number (2499802032).

Almost surely, 2^987335244000 is an apocalyptic number.

987335244000 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 987335244000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159828955648).

987335244000 is an abundant number, since it is smaller than the sum of its proper divisors (3332322667296).

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

987335244000 is a wasteful number, since it uses less digits than its factorization.

987335244000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

Adding to 987335244000 its reverse (442533789), we get a palindrome (987777777789).

The spelling of 987335244000 in words is "nine hundred eighty-seven billion, three hundred thirty-five million, two hundred forty-four thousand".