528768627652 has 12 divisors (see below), whose sum is σ = 925397322556. Its totient is φ = 264369392640.

The previous prime is 528768627619. The next prime is 528768627661. The reversal of 528768627652 is 256726867825.

It can be written as a sum of positive squares in 2 ways, for example, as 202800711556 + 325967916096 = 450334^2 + 570936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3650373 + ... + 3792460.

Almost surely, 2^528768627652 is an apocalyptic number.

It is an amenable number.

528768627652 is a deficient number, since it is larger than the sum of its proper divisors (396628694904).

528768627652 is a wasteful number, since it uses less digits than its factorization.

528768627652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7460598 (or 7460596 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 64.

The spelling of 528768627652 in words is "five hundred twenty-eight billion, seven hundred sixty-eight million, six hundred twenty-seven thousand, six hundred fifty-two".