472805807 has 2 divisors, whose sum is σ = 472805808. Its totient is φ = 472805806.

The previous prime is 472805791. The next prime is 472805843. The reversal of 472805807 is 708508274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472805807 - 2⁴ = 472805791 is a prime.

It is a super-2 number, since 2×472805807² = 447090662265842498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472805407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236402903 + 236402904.

It is an arithmetic number, because the mean of its divisors is an integer number (236402904).

Almost surely, 2^472805807 is an apocalyptic number.

472805807 is a deficient number, since it is larger than the sum of its proper divisors (1).

472805807 is an equidigital number, since it uses as much as digits as its factorization.

472805807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 472805807 is about 21744.0982107789. The cubic root of 472805807 is about 779.0421108965.

The spelling of 472805807 in words is "four hundred seventy-two million, eight hundred five thousand, eight hundred seven".