8769372640 has 192 divisors, whose sum is σ = 24728457600. Its totient is φ = 2875170816.

The previous prime is 8769372637. The next prime is 8769372641. The reversal of 8769372640 is 462739678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8769372641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3539082 + ... + 3541558.

It is an arithmetic number, because the mean of its divisors is an integer number (128794050).

Almost surely, 2^8769372640 is an apocalyptic number.

8769372640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8769372640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12364228800).

8769372640 is an abundant number, since it is smaller than the sum of its proper divisors (15959084960).

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

8769372640 is a wasteful number, since it uses less digits than its factorization.

8769372640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637 (or 2629 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The square root of 8769372640 is about 93644.9285332633. The cubic root of 8769372640 is about 2062.1622942156.

The spelling of 8769372640 in words is "eight billion, seven hundred sixty-nine million, three hundred seventy-two thousand, six hundred forty".