477910993 has 16 divisors (see below), whose sum is σ = 558964224. Its totient is φ = 400089600.

The previous prime is 477910969. The next prime is 477910999. The reversal of 477910993 is 399019774.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 477910993 - 2¹⁷ = 477779921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (477910999) 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 15 ways as a sum of consecutive naturals, for example, 196521 + ... + 198937.

It is an arithmetic number, because the mean of its divisors is an integer number (34935264).

Almost surely, 2^477910993 is an apocalyptic number.

It is an amenable number.

477910993 is a deficient number, since it is larger than the sum of its proper divisors (81053231).

477910993 is a wasteful number, since it uses less digits than its factorization.

477910993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 477910993 is about 21861.1754715980. The cubic root of 477910993 is about 781.8360172943.

The spelling of 477910993 in words is "four hundred seventy-seven million, nine hundred ten thousand, nine hundred ninety-three".