8763998520 has 64 divisors (see below), whose sum is σ = 27675792000. Its totient is φ = 2214062208.

The previous prime is 8763998483. The next prime is 8763998549. The reversal of 8763998520 is 258993678.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

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, 1919650 + ... + 1924209.

It is an arithmetic number, because the mean of its divisors is an integer number (432434250).

Almost surely, 2^8763998520 is an apocalyptic number.

It is an amenable number.

8763998520 is an abundant number, since it is smaller than the sum of its proper divisors (18911793480).

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

8763998520 is a wasteful number, since it uses less digits than its factorization.

8763998520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843892 (or 3843888 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The square root of 8763998520 is about 93616.2300031357. The cubic root of 8763998520 is about 2061.7409576424.

The spelling of 8763998520 in words is "eight billion, seven hundred sixty-three million, nine hundred ninety-eight thousand, five hundred twenty".