479990866 has 8 divisors (see below), whose sum is σ = 720575820. Its totient is φ = 239798928.

The previous prime is 479990809. The next prime is 479990867. The reversal of 479990866 is 668099974.

It can be written as a sum of positive squares in 2 ways, for example, as 375235641 + 104755225 = 19371^2 + 10235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 479990866.

It is not an unprimeable number, because it can be changed into a prime (479990867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95181 + ... + 100096.

Almost surely, 2^479990866 is an apocalyptic number.

479990866 is a deficient number, since it is larger than the sum of its proper divisors (240584954).

479990866 is a wasteful number, since it uses less digits than its factorization.

479990866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196508.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The square root of 479990866 is about 21908.6938451383. The cubic root of 479990866 is about 782.9685617577.

It can be divided in two parts, 4799908 and 66, that added together give a palindrome (4799974).

The spelling of 479990866 in words is "four hundred seventy-nine million, nine hundred ninety thousand, eight hundred sixty-six".