63495000077 has 2 divisors, whose sum is σ = 63495000078. Its totient is φ = 63495000076.

The previous prime is 63495000073. The next prime is 63495000089. The reversal of 63495000077 is 77000059436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53127484036 + 10367516041 = 230494^2 + 101821^2 .

It is a cyclic number.

It is not a de Polignac number, because 63495000077 - 2² = 63495000073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63494999998 and 63495000043.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63495000073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31747500038 + 31747500039.

It is an arithmetic number, because the mean of its divisors is an integer number (31747500039).

Almost surely, 2^63495000077 is an apocalyptic number.

It is an amenable number.

63495000077 is a deficient number, since it is larger than the sum of its proper divisors (1).

63495000077 is an equidigital number, since it uses as much as digits as its factorization.

63495000077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 63495000077 in words is "sixty-three billion, four hundred ninety-five million, seventy-seven", and thus it is an aban number.