477173231 has 2 divisors, whose sum is σ = 477173232. Its totient is φ = 477173230.

The previous prime is 477173161. The next prime is 477173267. The reversal of 477173231 is 132371774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 477173231 - 2¹⁸ = 476911087 is a prime.

It is a super-2 number, since 2×477173231² = 455388584765958722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 477173191 and 477173200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477170231) 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, 238586615 + 238586616.

It is an arithmetic number, because the mean of its divisors is an integer number (238586616).

Almost surely, 2^477173231 is an apocalyptic number.

477173231 is a deficient number, since it is larger than the sum of its proper divisors (1).

477173231 is an equidigital number, since it uses as much as digits as its factorization.

477173231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 35.

The square root of 477173231 is about 21844.2951591485. The cubic root of 477173231 is about 781.4334974541.

The spelling of 477173231 in words is "four hundred seventy-seven million, one hundred seventy-three thousand, two hundred thirty-one".