477472823 has 4 divisors (see below), whose sum is σ = 477537888. Its totient is φ = 477407760.

The previous prime is 477472777. The next prime is 477472837. The reversal of 477472823 is 328274774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328274774 = 2 ⋅164137387.

It is a cyclic number.

It is not a de Polignac number, because 477472823 - 2⁶ = 477472759 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 (477472843) 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, 19886 + ... + 36747.

It is an arithmetic number, because the mean of its divisors is an integer number (119384472).

Almost surely, 2^477472823 is an apocalyptic number.

477472823 is a deficient number, since it is larger than the sum of its proper divisors (65065).

477472823 is an equidigital number, since it uses as much as digits as its factorization.

477472823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65064.

The product of its digits is 526848, while the sum is 44.

The square root of 477472823 is about 21851.1515257206. The cubic root of 477472823 is about 781.5970035849.

The spelling of 477472823 in words is "four hundred seventy-seven million, four hundred seventy-two thousand, eight hundred twenty-three".