472805279 has 2 divisors, whose sum is σ = 472805280. Its totient is φ = 472805278.

The previous prime is 472805251. The next prime is 472805297. The reversal of 472805279 is 972508274.

Together with next prime (472805297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472805279 is a prime.

It is equal to p_24996167 and since 472805279 and 24996167 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472805239) 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, 236402639 + 236402640.

It is an arithmetic number, because the mean of its divisors is an integer number (236402640).

Almost surely, 2^472805279 is an apocalyptic number.

472805279 is a deficient number, since it is larger than the sum of its proper divisors (1).

472805279 is an equidigital number, since it uses as much as digits as its factorization.

472805279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 472805279 is about 21744.0860695500. The cubic root of 472805279 is about 779.0418209012.

The spelling of 472805279 in words is "four hundred seventy-two million, eight hundred five thousand, two hundred seventy-nine".