476666709 has 8 divisors (see below), whose sum is σ = 635724480. Its totient is φ = 317693376.

The previous prime is 476666693. The next prime is 476666711. The reversal of 476666709 is 907666674.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 476666709 - 2⁴ = 476666693 is a prime.

It is a super-2 number, since 2×476666709² = 454422302937781362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476666719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6489 + ... + 31550.

It is an arithmetic number, because the mean of its divisors is an integer number (79465560).

Almost surely, 2^476666709 is an apocalyptic number.

It is an amenable number.

476666709 is a deficient number, since it is larger than the sum of its proper divisors (159057771).

476666709 is a wasteful number, since it uses less digits than its factorization.

476666709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42219.

The product of its (nonzero) digits is 2286144, while the sum is 51.

The square root of 476666709 is about 21832.6981612443. The cubic root of 476666709 is about 781.1569009147.

The spelling of 476666709 in words is "four hundred seventy-six million, six hundred sixty-six thousand, seven hundred nine".