8520763928 has 16 divisors (see below), whose sum is σ = 15978222000. Its totient is φ = 4259904736.

The previous prime is 8520763877. The next prime is 8520763949. The reversal of 8520763928 is 8293670258.

It is a congruent number.

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, 22958 + ... + 132546.

It is an arithmetic number, because the mean of its divisors is an integer number (998638875).

Almost surely, 2^8520763928 is an apocalyptic number.

It is an amenable number.

8520763928 is a deficient number, since it is larger than the sum of its proper divisors (7457458072).

8520763928 is a wasteful number, since it uses less digits than its factorization.

8520763928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119314 (or 119310 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 8520763928 is about 92307.9840967183. The cubic root of 8520763928 is about 2042.4879877364.

The spelling of 8520763928 in words is "eight billion, five hundred twenty million, seven hundred sixty-three thousand, nine hundred twenty-eight".