987430160640 has 432 divisors, whose sum is σ = 3961566532224. Its totient is φ = 205179617280.

The previous prime is 987430160627. The next prime is 987430160659. The reversal of 987430160640 is 46061034789.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 987430160640.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3100684 + ... + 3404276.

Almost surely, 2^987430160640 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 987430160640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1980783266112).

987430160640 is an abundant number, since it is smaller than the sum of its proper divisors (2974136371584).

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

987430160640 is a wasteful number, since it uses less digits than its factorization.

987430160640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303646 (or 303621 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 987430160640 in words is "nine hundred eighty-seven billion, four hundred thirty million, one hundred sixty thousand, six hundred forty".