477789122 has 16 divisors (see below), whose sum is σ = 733024512. Its totient is φ = 233462880.

The previous prime is 477789121. The next prime is 477789163. The reversal of 477789122 is 221987774.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (477789121) 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 7 ways as a sum of consecutive naturals, for example, 66422 + ... + 73262.

It is an arithmetic number, because the mean of its divisors is an integer number (45814032).

Almost surely, 2^477789122 is an apocalyptic number.

477789122 is a deficient number, since it is larger than the sum of its proper divisors (255235390).

477789122 is a wasteful number, since it uses less digits than its factorization.

477789122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633.

The product of its digits is 395136, while the sum is 47.

The square root of 477789122 is about 21858.3879094502. The cubic root of 477789122 is about 781.7695535670.

The spelling of 477789122 in words is "four hundred seventy-seven million, seven hundred eighty-nine thousand, one hundred twenty-two".