7447141447378 has 8 divisors (see below), whose sum is σ = 11229197575680. Its totient is φ = 3704075588820.

The previous prime is 7447141447373. The next prime is 7447141447379. The reversal of 7447141447378 is 8737441417447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7447141447373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9747566958 + ... + 9747567721.

It is an arithmetic number, because the mean of its divisors is an integer number (1403649696960).

Almost surely, 2^{7447141447378} is an apocalyptic number.

7447141447378 is a deficient number, since it is larger than the sum of its proper divisors (3782056128302).

7447141447378 is a wasteful number, since it uses less digits than its factorization.

7447141447378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19495134872.

The product of its digits is 59006976, while the sum is 61.

The spelling of 7447141447378 in words is "seven trillion, four hundred forty-seven billion, one hundred forty-one million, four hundred forty-seven thousand, three hundred seventy-eight".