472878017 has 2 divisors, whose sum is σ = 472878018. Its totient is φ = 472878016.

The previous prime is 472878011. The next prime is 472878041. The reversal of 472878017 is 710878274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237899776 + 234978241 = 15424^2 + 15329^2 .

It is a cyclic number.

It is not a de Polignac number, because 472878017 - 2¹⁸ = 472615873 is a prime.

It is a super-2 number, since 2×472878017² = 447227237923704578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (472878011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236439008 + 236439009.

It is an arithmetic number, because the mean of its divisors is an integer number (236439009).

Almost surely, 2^472878017 is an apocalyptic number.

It is an amenable number.

472878017 is a deficient number, since it is larger than the sum of its proper divisors (1).

472878017 is an equidigital number, since it uses as much as digits as its factorization.

472878017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175616, while the sum is 44.

The square root of 472878017 is about 21745.7585979427. The cubic root of 472878017 is about 779.0817690158.

The spelling of 472878017 in words is "four hundred seventy-two million, eight hundred seventy-eight thousand, seventeen".