477948993 has 8 divisors (see below), whose sum is σ = 664972608. Its totient is φ = 304779024.

The previous prime is 477948949. The next prime is 477949001. The reversal of 477948993 is 399849774.

It is a happy number.

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

It is not a de Polignac number, because 477948993 - 2¹⁰ = 477947969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (477948923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3463330 + ... + 3463467.

It is an arithmetic number, because the mean of its divisors is an integer number (83121576).

Almost surely, 2^477948993 is an apocalyptic number.

It is an amenable number.

477948993 is a deficient number, since it is larger than the sum of its proper divisors (187023615).

477948993 is a wasteful number, since it uses less digits than its factorization.

477948993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926823.

The product of its digits is 13716864, while the sum is 60.

The square root of 477948993 is about 21862.0445750163. The cubic root of 477948993 is about 781.8567387130.

The spelling of 477948993 in words is "four hundred seventy-seven million, nine hundred forty-eight thousand, nine hundred ninety-three".