7914978711668 has 12 divisors (see below), whose sum is σ = 15829957423392. Its totient is φ = 3392133733560.

The previous prime is 7914978711643. The next prime is 7914978711713. The reversal of 7914978711668 is 8661178794197.

7914978711668 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 7914978711595 and 7914978711604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141338905538 + ... + 141338905593.

It is an arithmetic number, because the mean of its divisors is an integer number (1319163118616).

Almost surely, 2^{7914978711668} is an apocalyptic number.

It is an amenable number.

7914978711668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7914978711668 is a wasteful number, since it uses less digits than its factorization.

7914978711668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282677811142 (or 282677811140 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 74.

The spelling of 7914978711668 in words is "seven trillion, nine hundred fourteen billion, nine hundred seventy-eight million, seven hundred eleven thousand, six hundred sixty-eight".