477749980 has 24 divisors (see below), whose sum is σ = 1062291888. Its totient is φ = 179858688.

The previous prime is 477749969. The next prime is 477750017. The reversal of 477749980 is 89947774.

It is a congruent number.

It is an unprimeable number.

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, 702234 + ... + 702913.

It is an arithmetic number, because the mean of its divisors is an integer number (44262162).

Almost surely, 2^477749980 is an apocalyptic number.

It is an amenable number.

477749980 is an abundant number, since it is smaller than the sum of its proper divisors (584541908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

477749980 is a wasteful number, since it uses less digits than its factorization.

477749980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405173 (or 1405171 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 477749980 is about 21857.4925368854. The cubic root of 477749980 is about 781.7482046371.

The spelling of 477749980 in words is "four hundred seventy-seven million, seven hundred forty-nine thousand, nine hundred eighty".