472778286 has 32 divisors (see below), whose sum is σ = 954562560. Its totient is φ = 156099744.

The previous prime is 472778281. The next prime is 472778287. The reversal of 472778286 is 682877274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472778281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305631 + ... + 307173.

It is an arithmetic number, because the mean of its divisors is an integer number (29830080).

Almost surely, 2^472778286 is an apocalyptic number.

472778286 is an abundant number, since it is smaller than the sum of its proper divisors (481784274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

472778286 is a wasteful number, since it uses less digits than its factorization.

472778286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000.

The product of its digits is 2107392, while the sum is 51.

The square root of 472778286 is about 21743.4653631844. The cubic root of 472778286 is about 779.0269951530.

The spelling of 472778286 in words is "four hundred seventy-two million, seven hundred seventy-eight thousand, two hundred eighty-six".