477039861 has 12 divisors (see below), whose sum is σ = 714578592. Its totient is φ = 318026412.

The previous prime is 477039817. The next prime is 477039863. The reversal of 477039861 is 168930774.

It is not a de Polignac number, because 477039861 - 2⁹ = 477039349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477039863) 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 11 ways as a sum of consecutive naturals, for example, 981321 + ... + 981806.

It is an arithmetic number, because the mean of its divisors is an integer number (59548216).

Almost surely, 2^477039861 is an apocalyptic number.

It is an amenable number.

477039861 is a deficient number, since it is larger than the sum of its proper divisors (237538731).

477039861 is an equidigital number, since it uses as much as digits as its factorization.

477039861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963142 (or 1963130 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 477039861 is about 21841.2422036843. The cubic root of 477039861 is about 781.3606870713.

The spelling of 477039861 in words is "four hundred seventy-seven million, thirty-nine thousand, eight hundred sixty-one".