477135447 has 16 divisors (see below), whose sum is σ = 674933472. Its totient is φ = 298787840.

The previous prime is 477135443. The next prime is 477135457. The reversal of 477135447 is 744531774.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 477135447 - 2² = 477135443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 477135399 and 477135408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477135443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17593 + ... + 35549.

It is an arithmetic number, because the mean of its divisors is an integer number (42183342).

Almost surely, 2^477135447 is an apocalyptic number.

477135447 is a deficient number, since it is larger than the sum of its proper divisors (197798025).

477135447 is a wasteful number, since it uses less digits than its factorization.

477135447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18498.

The product of its digits is 329280, while the sum is 42.

The square root of 477135447 is about 21843.4302937977. The cubic root of 477135447 is about 781.4128714979.

The spelling of 477135447 in words is "four hundred seventy-seven million, one hundred thirty-five thousand, four hundred forty-seven".