63160825477 has 2 divisors, whose sum is σ = 63160825478. Its totient is φ = 63160825476.

The previous prime is 63160825447. The next prime is 63160825549. The reversal of 63160825477 is 77452806136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52335255361 + 10825570116 = 228769^2 + 104046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63160825477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63160825477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63160825447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31580412738 + 31580412739.

It is an arithmetic number, because the mean of its divisors is an integer number (31580412739).

Almost surely, 2^63160825477 is an apocalyptic number.

It is an amenable number.

63160825477 is a deficient number, since it is larger than the sum of its proper divisors (1).

63160825477 is an equidigital number, since it uses as much as digits as its factorization.

63160825477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 63160825477 in words is "sixty-three billion, one hundred sixty million, eight hundred twenty-five thousand, four hundred seventy-seven".