478507583 has 4 divisors (see below), whose sum is σ = 481555560. Its totient is φ = 475459608.

The previous prime is 478507559. The next prime is 478507591. The reversal of 478507583 is 385705874.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 478507583 - 2⁸ = 478507327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478507543) 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, 1523753 + ... + 1524066.

It is an arithmetic number, because the mean of its divisors is an integer number (120388890).

Almost surely, 2^478507583 is an apocalyptic number.

478507583 is a deficient number, since it is larger than the sum of its proper divisors (3047977).

478507583 is a wasteful number, since it uses less digits than its factorization.

478507583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047976.

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 478507583 is about 21874.8161820848. The cubic root of 478507583 is about 782.1612114571.

The spelling of 478507583 in words is "four hundred seventy-eight million, five hundred seven thousand, five hundred eighty-three".