476664985 has 4 divisors (see below), whose sum is σ = 571997988. Its totient is φ = 381331984.

The previous prime is 476664973. The next prime is 476665003. The reversal of 476664985 is 589466674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162205696 + 314459289 = 12736^2 + 17733^2 .

It is a cyclic number.

It is not a de Polignac number, because 476664985 - 2¹³ = 476656793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47666494 + ... + 47666503.

It is an arithmetic number, because the mean of its divisors is an integer number (142999497).

Almost surely, 2^476664985 is an apocalyptic number.

It is an amenable number.

476664985 is a deficient number, since it is larger than the sum of its proper divisors (95333003).

476664985 is an equidigital number, since it uses as much as digits as its factorization.

476664985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95333002.

The product of its digits is 8709120, while the sum is 55.

The square root of 476664985 is about 21832.6586791440. The cubic root of 476664985 is about 781.1559591552.

It can be divided in two parts, 4766 and 64985, that added together give a triangular number (69751 = T₃₇₃).

The spelling of 476664985 in words is "four hundred seventy-six million, six hundred sixty-four thousand, nine hundred eighty-five".