477228454631 has 2 divisors, whose sum is σ = 477228454632. Its totient is φ = 477228454630.

The previous prime is 477228454583. The next prime is 477228454667. The reversal of 477228454631 is 136454822774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 477228454631 - 2⁶ = 477228454567 is a prime.

It is a super-2 number, since 2×477228454631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477228444631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238614227315 + 238614227316.

It is an arithmetic number, because the mean of its divisors is an integer number (238614227316).

Almost surely, 2^477228454631 is an apocalyptic number.

477228454631 is a deficient number, since it is larger than the sum of its proper divisors (1).

477228454631 is an equidigital number, since it uses as much as digits as its factorization.

477228454631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9031680, while the sum is 53.

The spelling of 477228454631 in words is "four hundred seventy-seven billion, two hundred twenty-eight million, four hundred fifty-four thousand, six hundred thirty-one".