477791973 has 16 divisors (see below), whose sum is σ = 709675200. Its totient is φ = 317702160.

The previous prime is 477791969. The next prime is 477792011. The reversal of 477791973 is 379197774.

It is not a de Polignac number, because 477791973 - 2² = 477791969 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477791173) 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, 12243 + ... + 33248.

It is an arithmetic number, because the mean of its divisors is an integer number (44354700).

Almost surely, 2^477791973 is an apocalyptic number.

It is an amenable number.

477791973 is a deficient number, since it is larger than the sum of its proper divisors (231883227).

477791973 is a wasteful number, since it uses less digits than its factorization.

477791973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45889 (or 45883 counting only the distinct ones).

The product of its digits is 2333772, while the sum is 54.

The square root of 477791973 is about 21858.4531245923. The cubic root of 477791973 is about 781.7711085212.

The spelling of 477791973 in words is "four hundred seventy-seven million, seven hundred ninety-one thousand, nine hundred seventy-three".