472804861 has 2 divisors, whose sum is σ = 472804862. Its totient is φ = 472804860.

The previous prime is 472804853. The next prime is 472804879. The reversal of 472804861 is 168408274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459888025 + 12916836 = 21445^2 + 3594^2 .

It is a cyclic number.

It is not a de Polignac number, because 472804861 - 2³ = 472804853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472804841) 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, 236402430 + 236402431.

It is an arithmetic number, because the mean of its divisors is an integer number (236402431).

Almost surely, 2^472804861 is an apocalyptic number.

It is an amenable number.

472804861 is a deficient number, since it is larger than the sum of its proper divisors (1).

472804861 is an equidigital number, since it uses as much as digits as its factorization.

472804861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 472804861 is about 21744.0764577390. The cubic root of 472804861 is about 779.0415913214.

The spelling of 472804861 in words is "four hundred seventy-two million, eight hundred four thousand, eight hundred sixty-one".