477039689 has 4 divisors (see below), whose sum is σ = 545188224. Its totient is φ = 408891156.

The previous prime is 477039671. The next prime is 477039709. The reversal of 477039689 is 986930774.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-477039689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 477039689.

It is not an unprimeable number, because it can be changed into a prime (477039649) 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, 34074257 + ... + 34074270.

It is an arithmetic number, because the mean of its divisors is an integer number (136297056).

Almost surely, 2^477039689 is an apocalyptic number.

It is an amenable number.

477039689 is a deficient number, since it is larger than the sum of its proper divisors (68148535).

477039689 is an equidigital number, since it uses as much as digits as its factorization.

477039689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68148534.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 477039689 is about 21841.2382661790. The cubic root of 477039689 is about 781.3605931630.

The spelling of 477039689 in words is "four hundred seventy-seven million, thirty-nine thousand, six hundred eighty-nine".