477664503 has 8 divisors (see below), whose sum is σ = 670406400. Its totient is φ = 301682808.

The previous prime is 477664501. The next prime is 477664519. The reversal of 477664503 is 305466774.

It is a happy number.

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

It is not a de Polignac number, because 477664503 - 2¹ = 477664501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477664501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4189983 + ... + 4190096.

It is an arithmetic number, because the mean of its divisors is an integer number (83800800).

Almost surely, 2^477664503 is an apocalyptic number.

477664503 is a deficient number, since it is larger than the sum of its proper divisors (192741897).

477664503 is a wasteful number, since it uses less digits than its factorization.

477664503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380101.

The product of its (nonzero) digits is 423360, while the sum is 42.

The square root of 477664503 is about 21855.5371244909. The cubic root of 477664503 is about 781.7015794987.

The spelling of 477664503 in words is "four hundred seventy-seven million, six hundred sixty-four thousand, five hundred three".