477860144677 has 2 divisors, whose sum is σ = 477860144678. Its totient is φ = 477860144676.

The previous prime is 477860144653. The next prime is 477860144681. The reversal of 477860144677 is 776441068774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313503687396 + 164356457281 = 559914^2 + 405409^2 .

It is a cyclic number.

It is not a de Polignac number, because 477860144677 - 2⁷ = 477860144549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477860144477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238930072338 + 238930072339.

It is an arithmetic number, because the mean of its divisors is an integer number (238930072339).

Almost surely, 2^477860144677 is an apocalyptic number.

It is an amenable number.

477860144677 is a deficient number, since it is larger than the sum of its proper divisors (1).

477860144677 is an equidigital number, since it uses as much as digits as its factorization.

477860144677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44255232, while the sum is 61.

The spelling of 477860144677 in words is "four hundred seventy-seven billion, eight hundred sixty million, one hundred forty-four thousand, six hundred seventy-seven".