477679469 has 4 divisors (see below), whose sum is σ = 480440796. Its totient is φ = 474918144.

The previous prime is 477679463. The next prime is 477679511. The reversal of 477679469 is 964976774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 964976774 = 2 ⋅482488387.

It can be written as a sum of positive squares in 2 ways, for example, as 207734569 + 269944900 = 14413^2 + 16430^2 .

It is a cyclic number.

It is not a de Polignac number, because 477679469 - 2¹⁶ = 477613933 is a prime.

It is a super-2 number, since 2×477679469² = 456355350208243922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477679463) 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, 1380404 + ... + 1380749.

It is an arithmetic number, because the mean of its divisors is an integer number (120110199).

Almost surely, 2^477679469 is an apocalyptic number.

It is an amenable number.

477679469 is a deficient number, since it is larger than the sum of its proper divisors (2761327).

477679469 is a wasteful number, since it uses less digits than its factorization.

477679469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761326.

The product of its digits is 16003008, while the sum is 59.

The square root of 477679469 is about 21855.8795064395. The cubic root of 477679469 is about 781.7097434042.

The spelling of 477679469 in words is "four hundred seventy-seven million, six hundred seventy-nine thousand, four hundred sixty-nine".