476785980 has 144 divisors (see below), whose sum is σ = 1630665120. Its totient is φ = 115568640.

The previous prime is 476785957. The next prime is 476786053. The reversal of 476785980 is 89587674.

476785980 is a `hidden beast` number, since 47 + 6 + 7 + 8 + 598 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61692 + ... + 68988.

Almost surely, 2^476785980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 476785980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815332560).

476785980 is an abundant number, since it is smaller than the sum of its proper divisors (1153879140).

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

476785980 is a wasteful number, since it uses less digits than its factorization.

476785980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337 (or 7318 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 476785980 is about 21835.4294668092. The cubic root of 476785980 is about 781.2220488773. Note that the first 3 decimals are identical.

The spelling of 476785980 in words is "four hundred seventy-six million, seven hundred eighty-five thousand, nine hundred eighty".