477929389 has 6 divisors (see below), whose sum is σ = 555958734. Its totient is φ = 409653720.

The previous prime is 477929369. The next prime is 477929393. The reversal of 477929389 is 983929774.

It can be written as a sum of positive squares in only one way, i.e., 454329225 + 23600164 = 21315^2 + 4858^2 .

It is a de Polignac number, because none of the positive numbers 2^k-477929389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477929339) 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 5 ways as a sum of consecutive naturals, for example, 4876782 + ... + 4876879.

It is an arithmetic number, because the mean of its divisors is an integer number (92659789).

Almost surely, 2^477929389 is an apocalyptic number.

477929389 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

477929389 is a deficient number, since it is larger than the sum of its proper divisors (78029345).

477929389 is an equidigital number, since it uses as much as digits as its factorization.

477929389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9753675 (or 9753668 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 58.

The square root of 477929389 is about 21861.5962134516. The cubic root of 477929389 is about 781.8460487793.

The spelling of 477929389 in words is "four hundred seventy-seven million, nine hundred twenty-nine thousand, three hundred eighty-nine".