477891636743 has 2 divisors, whose sum is σ = 477891636744. Its totient is φ = 477891636742.

The previous prime is 477891636713. The next prime is 477891636751. The reversal of 477891636743 is 347636198774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 477891636743 - 2¹⁰ = 477891635719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 477891636743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477891636713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238945818371 + 238945818372.

It is an arithmetic number, because the mean of its divisors is an integer number (238945818372).

Almost surely, 2^477891636743 is an apocalyptic number.

477891636743 is a deficient number, since it is larger than the sum of its proper divisors (1).

477891636743 is an equidigital number, since it uses as much as digits as its factorization.

477891636743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128024064, while the sum is 65.

The spelling of 477891636743 in words is "four hundred seventy-seven billion, eight hundred ninety-one million, six hundred thirty-six thousand, seven hundred forty-three".