7481878968 has 32 divisors (see below), whose sum is σ = 18708393600. Its totient is φ = 2493466848.

The previous prime is 7481878927. The next prime is 7481879011. The reversal of 7481878968 is 8698781847.

It is a junction number, because it is equal to n+sod(n) for n = 7481878899 and 7481878908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105493 + ... + 161531.

It is an arithmetic number, because the mean of its divisors is an integer number (584637300).

Almost surely, 2^7481878968 is an apocalyptic number.

It is an amenable number.

7481878968 is an abundant number, since it is smaller than the sum of its proper divisors (11226514632).

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

7481878968 is a wasteful number, since it uses less digits than its factorization.

7481878968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61611 (or 61607 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 66.

The square root of 7481878968 is about 86497.8552797698. The cubic root of 7481878968 is about 1955.8560727316.

The spelling of 7481878968 in words is "seven billion, four hundred eighty-one million, eight hundred seventy-eight thousand, nine hundred sixty-eight".