255858164767 has 2 divisors, whose sum is σ = 255858164768. Its totient is φ = 255858164766.

The previous prime is 255858164741. The next prime is 255858164833. The reversal of 255858164767 is 767461858552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255858164767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255858164699 and 255858164708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255858164867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127929082383 + 127929082384.

It is an arithmetic number, because the mean of its divisors is an integer number (127929082384).

Almost surely, 2^255858164767 is an apocalyptic number.

255858164767 is a deficient number, since it is larger than the sum of its proper divisors (1).

255858164767 is an equidigital number, since it uses as much as digits as its factorization.

255858164767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896000, while the sum is 64.

The spelling of 255858164767 in words is "two hundred fifty-five billion, eight hundred fifty-eight million, one hundred sixty-four thousand, seven hundred sixty-seven".