7988941805456 has 40 divisors (see below), whose sum is σ = 15984590920704. Its totient is φ = 3863994266880.

The previous prime is 7988941805443. The next prime is 7988941805501. The reversal of 7988941805456 is 6545081498897.

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 7 ways as a sum of consecutive naturals, for example, 2197541 + ... + 4561476.

Almost surely, 2^{7988941805456} is an apocalyptic number.

It is an amenable number.

7988941805456 is an abundant number, since it is smaller than the sum of its proper divisors (7995649115248).

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

7988941805456 is a wasteful number, since it uses less digits than its factorization.

7988941805456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6761439 (or 6761433 counting only the distinct ones).

The product of its (nonzero) digits is 696729600, while the sum is 74.

The spelling of 7988941805456 in words is "seven trillion, nine hundred eighty-eight billion, nine hundred forty-one million, eight hundred five thousand, four hundred fifty-six".