477664127 has 4 divisors (see below), whose sum is σ = 480089016. Its totient is φ = 475239240.

The previous prime is 477664111. The next prime is 477664153. The reversal of 477664127 is 721466774.

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 477664127 - 2⁴ = 477664111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477664727) 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, 1212149 + ... + 1212542.

It is an arithmetic number, because the mean of its divisors is an integer number (120022254).

Almost surely, 2^477664127 is an apocalyptic number.

477664127 is a deficient number, since it is larger than the sum of its proper divisors (2424889).

477664127 is a wasteful number, since it uses less digits than its factorization.

477664127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424888.

The product of its digits is 395136, while the sum is 44.

The square root of 477664127 is about 21855.5285225501. The cubic root of 477664127 is about 781.7013743897.

The spelling of 477664127 in words is "four hundred seventy-seven million, six hundred sixty-four thousand, one hundred twenty-seven".