147744197278 has 16 divisors (see below), whose sum is σ = 235182262320. Its totient is φ = 69369728896.

The previous prime is 147744197231. The next prime is 147744197317. The reversal of 147744197278 is 872791447741.

147744197278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4889473 + ... + 4919596.

It is an arithmetic number, because the mean of its divisors is an integer number (14698891395).

Almost surely, 2^147744197278 is an apocalyptic number.

147744197278 is a deficient number, since it is larger than the sum of its proper divisors (87438065042).

147744197278 is a wasteful number, since it uses less digits than its factorization.

147744197278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9809531.

The product of its digits is 22127616, while the sum is 61.

The spelling of 147744197278 in words is "one hundred forty-seven billion, seven hundred forty-four million, one hundred ninety-seven thousand, two hundred seventy-eight".