986528734568 has 16 divisors (see below), whose sum is σ = 1992029175780. Its totient is φ = 455320954368.

The previous prime is 986528734567. The next prime is 986528734589. The reversal of 986528734568 is 865437825689.

It can be written as a sum of positive squares in 2 ways, for example, as 982235602084 + 4293132484 = 991078^2 + 65522^2 .

It is not an unprimeable number, because it can be changed into a prime (986528734567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4742926505 + ... + 4742926712.

Almost surely, 2^986528734568 is an apocalyptic number.

It is an amenable number.

986528734568 is an abundant number, since it is smaller than the sum of its proper divisors (1005500441212).

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

986528734568 is a wasteful number, since it uses less digits than its factorization.

986528734568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9485853236 (or 9485853232 counting only the distinct ones).

The product of its digits is 696729600, while the sum is 71.

The spelling of 986528734568 in words is "nine hundred eighty-six billion, five hundred twenty-eight million, seven hundred thirty-four thousand, five hundred sixty-eight".