4778031172 has 12 divisors (see below), whose sum is σ = 8556009616. Its totient is φ = 2333457000.

The previous prime is 4778031163. The next prime is 4778031187. The reversal of 4778031172 is 2711308774.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13889454 + ... + 13889797.

Almost surely, 2^4778031172 is an apocalyptic number.

It is an amenable number.

4778031172 is a deficient number, since it is larger than the sum of its proper divisors (3777978444).

4778031172 is a wasteful number, since it uses less digits than its factorization.

4778031172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27779298 (or 27779296 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 4778031172 is about 69123.3041166291. The cubic root of 4778031172 is about 1684.2878906476.

The spelling of 4778031172 in words is "four billion, seven hundred seventy-eight million, thirty-one thousand, one hundred seventy-two".