477386808923 has 2 divisors, whose sum is σ = 477386808924. Its totient is φ = 477386808922.

The previous prime is 477386808901. The next prime is 477386808931. The reversal of 477386808923 is 329808683774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 477386808923 - 2¹⁸ = 477386546779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 477386808923.

It is not a weakly prime, because it can be changed into another prime (477386808953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238693404461 + 238693404462.

It is an arithmetic number, because the mean of its divisors is an integer number (238693404462).

Almost surely, 2^477386808923 is an apocalyptic number.

477386808923 is a deficient number, since it is larger than the sum of its proper divisors (1).

477386808923 is an equidigital number, since it uses as much as digits as its factorization.

477386808923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97542144, while the sum is 65.

The spelling of 477386808923 in words is "four hundred seventy-seven billion, three hundred eighty-six million, eight hundred eight thousand, nine hundred twenty-three".