1987657833282 has 192 divisors, whose sum is σ = 4639053619200. Its totient is φ = 566419392000.

The previous prime is 1987657833277. The next prime is 1987657833299. The reversal of 1987657833282 is 2823387567891.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 192578682 + ... + 192589002.

It is an arithmetic number, because the mean of its divisors is an integer number (24161737600).

Almost surely, 2^{1987657833282} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1987657833282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2319526809600).

1987657833282 is an abundant number, since it is smaller than the sum of its proper divisors (2651395785918).

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

1987657833282 is a wasteful number, since it uses less digits than its factorization.

1987657833282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621 (or 10610 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 69.

The spelling of 1987657833282 in words is "one trillion, nine hundred eighty-seven billion, six hundred fifty-seven million, eight hundred thirty-three thousand, two hundred eighty-two".