476847669 has 4 divisors (see below), whose sum is σ = 635796896. Its totient is φ = 317898444.

The previous prime is 476847647. The next prime is 476847677. The reversal of 476847669 is 966748674.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 476847669 - 2¹⁶ = 476782133 is a prime.

It is a super-2 number, since 2×476847669² = 454767398861467122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476847869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79474609 + ... + 79474614.

It is an arithmetic number, because the mean of its divisors is an integer number (158949224).

Almost surely, 2^476847669 is an apocalyptic number.

It is an amenable number.

476847669 is a deficient number, since it is larger than the sum of its proper divisors (158949227).

476847669 is a wasteful number, since it uses less digits than its factorization.

476847669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158949226.

The product of its digits is 12192768, while the sum is 57.

The square root of 476847669 is about 21836.8420106938. The cubic root of 476847669 is about 781.2557402544.

The spelling of 476847669 in words is "four hundred seventy-six million, eight hundred forty-seven thousand, six hundred sixty-nine".