472778308 has 12 divisors (see below), whose sum is σ = 827740732. Its totient is φ = 236280960.

The previous prime is 472778287. The next prime is 472778309. The reversal of 472778308 is 803877274.

It can be written as a sum of positive squares in 2 ways, for example, as 228856384 + 243921924 = 15128^2 + 15618^2 .

It is not an unprimeable number, because it can be changed into a prime (472778309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16785 + ... + 35032.

Almost surely, 2^472778308 is an apocalyptic number.

It is an amenable number.

472778308 is a deficient number, since it is larger than the sum of its proper divisors (354962424).

472778308 is a wasteful number, since it uses less digits than its factorization.

472778308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54102 (or 54100 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 46.

The square root of 472778308 is about 21743.4658690835. The cubic root of 472778308 is about 779.0270072366.

The spelling of 472778308 in words is "four hundred seventy-two million, seven hundred seventy-eight thousand, three hundred eight".