63115398727 has 2 divisors, whose sum is σ = 63115398728. Its totient is φ = 63115398726.

The previous prime is 63115398707. The next prime is 63115398757. The reversal of 63115398727 is 72789351136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63115398727 - 2¹⁹ = 63114874439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63115398707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31557699363 + 31557699364.

It is an arithmetic number, because the mean of its divisors is an integer number (31557699364).

Almost surely, 2^63115398727 is an apocalyptic number.

63115398727 is a deficient number, since it is larger than the sum of its proper divisors (1).

63115398727 is an equidigital number, since it uses as much as digits as its factorization.

63115398727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The spelling of 63115398727 in words is "sixty-three billion, one hundred fifteen million, three hundred ninety-eight thousand, seven hundred twenty-seven".