7808540860680 has 128 divisors (see below), whose sum is σ = 27138881952000. Its totient is φ = 1760359882752.

The previous prime is 7808540860579. The next prime is 7808540860699. The reversal of 7808540860680 is 860680458087.

It is a super-4 number, since 4×7808540860680⁴ (a number of 53 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 63609105 + ... + 63731744.

It is an arithmetic number, because the mean of its divisors is an integer number (212022515250).

Almost surely, 2^{7808540860680} is an apocalyptic number.

7808540860680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7808540860680 is an abundant number, since it is smaller than the sum of its proper divisors (19330341091320).

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

7808540860680 is a wasteful number, since it uses less digits than its factorization.

7808540860680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127340943 (or 127340939 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 60.

The spelling of 7808540860680 in words is "seven trillion, eight hundred eight billion, five hundred forty million, eight hundred sixty thousand, six hundred eighty".