477018993 has 16 divisors (see below), whose sum is σ = 697450176. Its totient is φ = 287600640.

The previous prime is 477018973. The next prime is 477019007. The reversal of 477018993 is 399810774.

It is not a de Polignac number, because 477018993 - 2⁵ = 477018961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (477018973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31080 + ... + 43817.

It is an arithmetic number, because the mean of its divisors is an integer number (43590636).

Almost surely, 2^477018993 is an apocalyptic number.

It is an amenable number.

477018993 is a deficient number, since it is larger than the sum of its proper divisors (220431183).

477018993 is a wasteful number, since it uses less digits than its factorization.

477018993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75104.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 477018993 is about 21840.7644783785. The cubic root of 477018993 is about 781.3492934234.

The spelling of 477018993 in words is "four hundred seventy-seven million, eighteen thousand, nine hundred ninety-three".