147022257778 has 16 divisors (see below), whose sum is σ = 240588436896. Its totient is φ = 66826476640.

The previous prime is 147022257761. The next prime is 147022257791. The reversal of 147022257778 is 877752220741.

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, 1053525 + ... + 1184887.

It is an arithmetic number, because the mean of its divisors is an integer number (15036777306).

Almost surely, 2^147022257778 is an apocalyptic number.

147022257778 is a deficient number, since it is larger than the sum of its proper divisors (93566179118).

147022257778 is a wasteful number, since it uses less digits than its factorization.

147022257778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182249.

The product of its (nonzero) digits is 3073280, while the sum is 52.

The spelling of 147022257778 in words is "one hundred forty-seven billion, twenty-two million, two hundred fifty-seven thousand, seven hundred seventy-eight".