8520247628 has 12 divisors (see below), whose sum is σ = 15027839232. Its totient is φ = 4226579280.

The previous prime is 8520247613. The next prime is 8520247661. The reversal of 8520247628 is 8267420258.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8385563 + ... + 8386578.

It is an arithmetic number, because the mean of its divisors is an integer number (1252319936).

Almost surely, 2^8520247628 is an apocalyptic number.

It is an amenable number.

8520247628 is a deficient number, since it is larger than the sum of its proper divisors (6507591604).

8520247628 is a wasteful number, since it uses less digits than its factorization.

8520247628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16772272 (or 16772270 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 8520247628 is about 92305.1874381933. The cubic root of 8520247628 is about 2042.4467333036.

The spelling of 8520247628 in words is "eight billion, five hundred twenty million, two hundred forty-seven thousand, six hundred twenty-eight".