478912831567 has 2 divisors, whose sum is σ = 478912831568. Its totient is φ = 478912831566.

The previous prime is 478912831451. The next prime is 478912831577. The reversal of 478912831567 is 765138219874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478912831567 - 2²³ = 478904442959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478912831577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239456415783 + 239456415784.

It is an arithmetic number, because the mean of its divisors is an integer number (239456415784).

Almost surely, 2^478912831567 is an apocalyptic number.

478912831567 is a deficient number, since it is larger than the sum of its proper divisors (1).

478912831567 is an equidigital number, since it uses as much as digits as its factorization.

478912831567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 61.

The spelling of 478912831567 in words is "four hundred seventy-eight billion, nine hundred twelve million, eight hundred thirty-one thousand, five hundred sixty-seven".