477648539 has 4 divisors (see below), whose sum is σ = 477736680. Its totient is φ = 477560400.

The previous prime is 477648529. The next prime is 477648553. The reversal of 477648539 is 935846774.

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 477648539 - 2¹⁶ = 477583003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477648529) 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, 35369 + ... + 46970.

It is an arithmetic number, because the mean of its divisors is an integer number (119434170).

Almost surely, 2^477648539 is an apocalyptic number.

477648539 is a deficient number, since it is larger than the sum of its proper divisors (88141).

477648539 is an equidigital number, since it uses as much as digits as its factorization.

477648539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88140.

The product of its digits is 5080320, while the sum is 53.

The square root of 477648539 is about 21855.1719050663. The cubic root of 477648539 is about 781.6928709993.

The spelling of 477648539 in words is "four hundred seventy-seven million, six hundred forty-eight thousand, five hundred thirty-nine".