63255678745267 has 2 divisors, whose sum is σ = 63255678745268. Its totient is φ = 63255678745266.

The previous prime is 63255678745253. The next prime is 63255678745319. The reversal of 63255678745267 is 76254787655236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63255678745267 - 2³⁵ = 63221319006899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63255678745267.

It is not a weakly prime, because it can be changed into another prime (63255678745367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31627839372633 + 31627839372634.

It is an arithmetic number, because the mean of its divisors is an integer number (31627839372634).

Almost surely, 2^{63255678745267} is an apocalyptic number.

63255678745267 is a deficient number, since it is larger than the sum of its proper divisors (1).

63255678745267 is an equidigital number, since it uses as much as digits as its factorization.

63255678745267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224000, while the sum is 73.

The spelling of 63255678745267 in words is "sixty-three trillion, two hundred fifty-five billion, six hundred seventy-eight million, seven hundred forty-five thousand, two hundred sixty-seven".