477747860 has 48 divisors (see below), whose sum is σ = 1015546896. Its totient is φ = 188777472.

The previous prime is 477747833. The next prime is 477747869. The reversal of 477747860 is 68747774.

It can be written as a sum of positive squares in 8 ways, for example, as 100922116 + 376825744 = 10046^2 + 19412^2 .

It is a junction number, because it is equal to n+sod(n) for n = 477747799 and 477747808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477747869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731294 + ... + 731946.

It is an arithmetic number, because the mean of its divisors is an integer number (21157227).

Almost surely, 2^477747860 is an apocalyptic number.

It is an amenable number.

477747860 is an abundant number, since it is smaller than the sum of its proper divisors (537799036).

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

477747860 is a wasteful number, since it uses less digits than its factorization.

477747860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 1843968, while the sum is 50.

The square root of 477747860 is about 21857.4440408754. Note that the first 3 decimals coincide. The cubic root of 477747860 is about 781.7470483079.

The spelling of 477747860 in words is "four hundred seventy-seven million, seven hundred forty-seven thousand, eight hundred sixty".