8758763640 has 192 divisors, whose sum is σ = 32688489600. Its totient is φ = 2011564800.

The previous prime is 8758763627. The next prime is 8758763687. The reversal of 8758763640 is 463678578.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17035 + ... + 133445.

It is an arithmetic number, because the mean of its divisors is an integer number (170252550).

Almost surely, 2^8758763640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8758763640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16344244800).

8758763640 is an abundant number, since it is smaller than the sum of its proper divisors (23929725960).

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

8758763640 is a wasteful number, since it uses less digits than its factorization.

8758763640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116458 (or 116451 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The square root of 8758763640 is about 93588.2665722579. The cubic root of 8758763640 is about 2061.3303719898.

The spelling of 8758763640 in words is "eight billion, seven hundred fifty-eight million, seven hundred sixty-three thousand, six hundred forty".