477555047 has 4 divisors (see below), whose sum is σ = 477726216. Its totient is φ = 477383880.

The previous prime is 477555019. The next prime is 477555059. The reversal of 477555047 is 740555774.

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 477555047 - 2¹⁶ = 477489511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 477554989 and 477555007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477554047) 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, 81329 + ... + 87002.

It is an arithmetic number, because the mean of its divisors is an integer number (119431554).

Almost surely, 2^477555047 is an apocalyptic number.

477555047 is a deficient number, since it is larger than the sum of its proper divisors (171169).

477555047 is a wasteful number, since it uses less digits than its factorization.

477555047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171168.

The product of its (nonzero) digits is 686000, while the sum is 44.

The square root of 477555047 is about 21853.0329016363. The cubic root of 477555047 is about 781.6418664129.

The spelling of 477555047 in words is "four hundred seventy-seven million, five hundred fifty-five thousand, forty-seven".