477971 has 4 divisors (see below), whose sum is σ = 514752. Its totient is φ = 441192.

The previous prime is 477947. The next prime is 477973. The reversal of 477971 is 179774.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 477971 - 2¹⁸ = 215827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18371 + ... + 18396.

It is an arithmetic number, because the mean of its divisors is an integer number (128688).

2⁴⁷⁷⁹⁷¹ is an apocalyptic number.

477971 is a deficient number, since it is larger than the sum of its proper divisors (36781).

477971 is a wasteful number, since it uses less digits than its factorization.

477971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36780.

The product of its digits is 12348, while the sum is 35.

The square root of 477971 is about 691.3544676937. The cubic root of 477971 is about 78.1868738639.

The spelling of 477971 in words is "four hundred seventy-seven thousand, nine hundred seventy-one".