477291366 has 36 divisors (see below), whose sum is σ = 1073515716. Its totient is φ = 158936580.

The previous prime is 477291361. The next prime is 477291383. The reversal of 477291366 is 663192774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477291361) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 481131 + ... + 482121.

It is an arithmetic number, because the mean of its divisors is an integer number (29819881).

Almost surely, 2^477291366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477291366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536757858).

477291366 is an abundant number, since it is smaller than the sum of its proper divisors (596224350).

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

477291366 is an frugal number, since it uses more digits than its factorization.

477291366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999 (or 996 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 477291366 is about 21846.9990158832. Note that the first 3 decimals coincide. The cubic root of 477291366 is about 781.4979792978.

Multiplying 477291366 by its product of digits (381024), we get a square (181859465438784 = 13485528²).

The spelling of 477291366 in words is "four hundred seventy-seven million, two hundred ninety-one thousand, three hundred sixty-six".