477216131 has 16 divisors (see below), whose sum is σ = 560908800. Its totient is φ = 397560768.

The previous prime is 477216119. The next prime is 477216151. The reversal of 477216131 is 131612774.

It is a cyclic number.

It is not a de Polignac number, because 477216131 - 2¹⁰ = 477215107 is a prime.

It is a super-2 number, since 2×477216131² = 455470471373218322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477216151) 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, 30266 + ... + 43248.

It is an arithmetic number, because the mean of its divisors is an integer number (35056800).

Almost surely, 2^477216131 is an apocalyptic number.

477216131 is a deficient number, since it is larger than the sum of its proper divisors (83692669).

477216131 is a wasteful number, since it uses less digits than its factorization.

477216131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138.

The product of its digits is 7056, while the sum is 32.

The square root of 477216131 is about 21845.2770868213. The cubic root of 477216131 is about 781.4569148703.

The spelling of 477216131 in words is "four hundred seventy-seven million, two hundred sixteen thousand, one hundred thirty-one".