472774447 has 2 divisors, whose sum is σ = 472774448. Its totient is φ = 472774446.

The previous prime is 472774441. The next prime is 472774481. The reversal of 472774447 is 744477274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472774447 - 2³ = 472774439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 472774397 and 472774406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472774441) by changing a digit.

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 as a sum of consecutive naturals, namely, 236387223 + 236387224.

It is an arithmetic number, because the mean of its divisors is an integer number (236387224).

Almost surely, 2^472774447 is an apocalyptic number.

472774447 is a deficient number, since it is larger than the sum of its proper divisors (1).

472774447 is an equidigital number, since it uses as much as digits as its factorization.

472774447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1229312, while the sum is 46.

The square root of 472774447 is about 21743.3770836087. The cubic root of 472774447 is about 779.0248865587.

The spelling of 472774447 in words is "four hundred seventy-two million, seven hundred seventy-four thousand, four hundred forty-seven".