476863769 has 2 divisors, whose sum is σ = 476863770. Its totient is φ = 476863768.

The previous prime is 476863763. The next prime is 476863781. The reversal of 476863769 is 967368674.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 474673369 + 2190400 = 21787^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 476863769 - 2²⁴ = 460086553 is a prime.

It is a super-2 number, since 2×476863769² = 454798108369770722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (476863763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238431884 + 238431885.

It is an arithmetic number, because the mean of its divisors is an integer number (238431885).

Almost surely, 2^476863769 is an apocalyptic number.

It is an amenable number.

476863769 is a deficient number, since it is larger than the sum of its proper divisors (1).

476863769 is an equidigital number, since it uses as much as digits as its factorization.

476863769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 56.

The square root of 476863769 is about 21837.2106506303. The cubic root of 476863769 is about 781.2645327729.

The spelling of 476863769 in words is "four hundred seventy-six million, eight hundred sixty-three thousand, seven hundred sixty-nine".