63887568847 has 2 divisors, whose sum is σ = 63887568848. Its totient is φ = 63887568846.

The previous prime is 63887568839. The next prime is 63887568853. The reversal of 63887568847 is 74886578836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63887568847 - 2³ = 63887568839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63887568817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31943784423 + 31943784424.

It is an arithmetic number, because the mean of its divisors is an integer number (31943784424).

Almost surely, 2^63887568847 is an apocalyptic number.

63887568847 is a deficient number, since it is larger than the sum of its proper divisors (1).

63887568847 is an equidigital number, since it uses as much as digits as its factorization.

63887568847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 433520640, while the sum is 70.

The spelling of 63887568847 in words is "sixty-three billion, eight hundred eighty-seven million, five hundred sixty-eight thousand, eight hundred forty-seven".