7966388742448 has 40 divisors (see below), whose sum is σ = 15479456649680. Its totient is φ = 3971697649920.

The previous prime is 7966388742427. The next prime is 7966388742457. The reversal of 7966388742448 is 8442478836697.

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, 17117698 + ... + 17576926.

It is an arithmetic number, because the mean of its divisors is an integer number (386986416242).

Almost surely, 2^{7966388742448} is an apocalyptic number.

It is an amenable number.

7966388742448 is a deficient number, since it is larger than the sum of its proper divisors (7513067907232).

7966388742448 is a wasteful number, since it uses less digits than its factorization.

7966388742448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462365 (or 462359 counting only the distinct ones).

The product of its digits is 3121348608, while the sum is 76.

The spelling of 7966388742448 in words is "seven trillion, nine hundred sixty-six billion, three hundred eighty-eight million, seven hundred forty-two thousand, four hundred forty-eight".