8642500763 has 8 divisors (see below), whose sum is σ = 9358732656. Its totient is φ = 7933615200.

The previous prime is 8642500747. The next prime is 8642500781. The reversal of 8642500763 is 3670052468.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8642500763 - 2⁴ = 8642500747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8642500763.

It is not an unprimeable number, because it can be changed into a prime (8642500793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834133 + ... + 1838838.

It is an arithmetic number, because the mean of its divisors is an integer number (1169841582).

Almost surely, 2^8642500763 is an apocalyptic number.

8642500763 is a deficient number, since it is larger than the sum of its proper divisors (716231893).

8642500763 is a wasteful number, since it uses less digits than its factorization.

8642500763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673165.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 8642500763 is about 92965.0512988618. The cubic root of 8642500763 is about 2052.1690912006.

The spelling of 8642500763 in words is "eight billion, six hundred forty-two million, five hundred thousand, seven hundred sixty-three".