8528763840 has 56 divisors (see below), whose sum is σ = 27078828240. Its totient is φ = 2274336768.

The previous prime is 8528763829. The next prime is 8528763917. The reversal of 8528763840 is 483678258.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4441105 + ... + 4443024.

Almost surely, 2^8528763840 is an apocalyptic number.

8528763840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8528763840 is an abundant number, since it is smaller than the sum of its proper divisors (18550064400).

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

8528763840 is a wasteful number, since it uses less digits than its factorization.

8528763840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8884149 (or 8884139 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 8528763840 is about 92351.3066502039. The cubic root of 8528763840 is about 2043.1269998143.

The spelling of 8528763840 in words is "eight billion, five hundred twenty-eight million, seven hundred sixty-three thousand, eight hundred forty".