477428505 has 32 divisors (see below), whose sum is σ = 782078976. Its totient is φ = 248611584.

The previous prime is 477428473. The next prime is 477428509. The reversal of 477428505 is 505824774.

It is not a de Polignac number, because 477428505 - 2⁵ = 477428473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (477428509) 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 31 ways as a sum of consecutive naturals, for example, 175939 + ... + 178631.

It is an arithmetic number, because the mean of its divisors is an integer number (24439968).

Almost surely, 2^477428505 is an apocalyptic number.

It is an amenable number.

477428505 is a deficient number, since it is larger than the sum of its proper divisors (304650471).

477428505 is a wasteful number, since it uses less digits than its factorization.

477428505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977.

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 477428505 is about 21850.1374137555. The cubic root of 477428505 is about 781.5728207860.

The spelling of 477428505 in words is "four hundred seventy-seven million, four hundred twenty-eight thousand, five hundred five".