7893140560 has 40 divisors (see below), whose sum is σ = 18363340296. Its totient is φ = 3155228160.

The previous prime is 7893140467. The next prime is 7893140561. The reversal of 7893140560 is 650413987.

It can be written as a sum of positive squares in 4 ways, for example, as 245987856 + 7647152704 = 15684^2 + 87448^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×7893140560² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7893140561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96870 + ... + 158650.

Almost surely, 2^7893140560 is an apocalyptic number.

It is an amenable number.

7893140560 is an abundant number, since it is smaller than the sum of its proper divisors (10470199736).

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

7893140560 is a wasteful number, since it uses less digits than its factorization.

7893140560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63391 (or 63385 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 7893140560 is about 88843.3484285684. The cubic root of 7893140560 is about 1991.0551006959.

The spelling of 7893140560 in words is "seven billion, eight hundred ninety-three million, one hundred forty thousand, five hundred sixty".