7874021854144 has 28 divisors (see below), whose sum is σ = 15729877989000. Its totient is φ = 3910588030208.

The previous prime is 7874021854087. The next prime is 7874021854241. The reversal of 7874021854144 is 4414581204787.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 412848154 + ... + 412867225.

It is an arithmetic number, because the mean of its divisors is an integer number (561781356750).

Almost surely, 2^{7874021854144} is an apocalyptic number.

It is an amenable number.

7874021854144 is a deficient number, since it is larger than the sum of its proper divisors (7855856134856).

7874021854144 is a wasteful number, since it uses less digits than its factorization.

7874021854144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825715540 (or 825715530 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 55.

The spelling of 7874021854144 in words is "seven trillion, eight hundred seventy-four billion, twenty-one million, eight hundred fifty-four thousand, one hundred forty-four".