477849487 has 16 divisors (see below), whose sum is σ = 518383840. Its totient is φ = 438939648.

The previous prime is 477849479. The next prime is 477849511. The reversal of 477849487 is 784948774.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 477849487 - 2³ = 477849479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477849187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235903 + ... + 237919.

It is an arithmetic number, because the mean of its divisors is an integer number (32398990).

Almost surely, 2^477849487 is an apocalyptic number.

477849487 is a deficient number, since it is larger than the sum of its proper divisors (40534353).

477849487 is a wasteful number, since it uses less digits than its factorization.

477849487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410.

The product of its digits is 12644352, while the sum is 58.

The square root of 477849487 is about 21859.7686858759. The cubic root of 477849487 is about 781.8024757145.

The spelling of 477849487 in words is "four hundred seventy-seven million, eight hundred forty-nine thousand, four hundred eighty-seven".