63168084377 has 2 divisors, whose sum is σ = 63168084378. Its totient is φ = 63168084376.

The previous prime is 63168084347. The next prime is 63168084379. The reversal of 63168084377 is 77348086136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62148495616 + 1019588761 = 249296^2 + 31931^2 .

It is a cyclic number.

It is not a de Polignac number, because 63168084377 - 2⁶ = 63168084313 is a prime.

Together with 63168084379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63168084379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31584042188 + 31584042189.

It is an arithmetic number, because the mean of its divisors is an integer number (31584042189).

Almost surely, 2^63168084377 is an apocalyptic number.

It is an amenable number.

63168084377 is a deficient number, since it is larger than the sum of its proper divisors (1).

63168084377 is an equidigital number, since it uses as much as digits as its factorization.

63168084377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 63168084377 in words is "sixty-three billion, one hundred sixty-eight million, eighty-four thousand, three hundred seventy-seven".