477408746 has 20 divisors (see below), whose sum is σ = 749541282. Its totient is φ = 228058248.

The previous prime is 477408733. The next prime is 477408749. The reversal of 477408746 is 647804774.

It can be written as a sum of positive squares in only one way, i.e., 470412721 + 6996025 = 21689^2 + 2645^2 .

It is a super-2 number, since 2×477408746² = 455838221514585032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 477408746.

It is not an unprimeable number, because it can be changed into a prime (477408749) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 559256 + ... + 560108.

Almost surely, 2^477408746 is an apocalyptic number.

477408746 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

477408746 is a deficient number, since it is larger than the sum of its proper divisors (272132536).

477408746 is an frugal number, since it uses more digits than its factorization.

477408746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 47.

The square root of 477408746 is about 21849.6852608911. The cubic root of 477408746 is about 781.5620385011.

The spelling of 477408746 in words is "four hundred seventy-seven million, four hundred eight thousand, seven hundred forty-six".