479754397847 has 2 divisors, whose sum is σ = 479754397848. Its totient is φ = 479754397846.

The previous prime is 479754397823. The next prime is 479754397877. The reversal of 479754397847 is 748793457974.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479754397847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479754397877) 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, 239877198923 + 239877198924.

It is an arithmetic number, because the mean of its divisors is an integer number (239877198924).

Almost surely, 2^479754397847 is an apocalyptic number.

479754397847 is a deficient number, since it is larger than the sum of its proper divisors (1).

479754397847 is an equidigital number, since it uses as much as digits as its factorization.

479754397847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1493614080, while the sum is 74.

The spelling of 479754397847 in words is "four hundred seventy-nine billion, seven hundred fifty-four million, three hundred ninety-seven thousand, eight hundred forty-seven".