987952806064 has 80 divisors (see below), whose sum is σ = 2243530529856. Its totient is φ = 412608614400.

The previous prime is 987952806041. The next prime is 987952806073. The reversal of 987952806064 is 460608259789.

It is a junction number, because it is equal to n+sod(n) for n = 987952805987 and 987952806005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3904524 + ... + 4149844.

Almost surely, 2^987952806064 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 987952806064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121765264928).

987952806064 is an abundant number, since it is smaller than the sum of its proper divisors (1255577723792).

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

987952806064 is a wasteful number, since it uses less digits than its factorization.

987952806064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246254 (or 246248 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 987952806064 in words is "nine hundred eighty-seven billion, nine hundred fifty-two million, eight hundred six thousand, sixty-four".