63716357227157 has 2 divisors, whose sum is σ = 63716357227158. Its totient is φ = 63716357227156.

The previous prime is 63716357227153. The next prime is 63716357227231. The reversal of 63716357227157 is 75172275361736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57789050851921 + 5927306375236 = 7601911^2 + 2434606^2 .

It is a cyclic number.

It is not a de Polignac number, because 63716357227157 - 2² = 63716357227153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63716357227157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63716357227153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31858178613578 + 31858178613579.

It is an arithmetic number, because the mean of its divisors is an integer number (31858178613579).

Almost surely, 2^{63716357227157} is an apocalyptic number.

It is an amenable number.

63716357227157 is a deficient number, since it is larger than the sum of its proper divisors (1).

63716357227157 is an equidigital number, since it uses as much as digits as its factorization.

63716357227157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77792400, while the sum is 62.

The spelling of 63716357227157 in words is "sixty-three trillion, seven hundred sixteen billion, three hundred fifty-seven million, two hundred twenty-seven thousand, one hundred fifty-seven".