63081677 has 2 divisors, whose sum is σ = 63081678. Its totient is φ = 63081676.

The previous prime is 63081659. The next prime is 63081703. The reversal of 63081677 is 77618036.

63081677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59505796 + 3575881 = 7714^2 + 1891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63081677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63081677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63081637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31540838 + 31540839.

It is an arithmetic number, because the mean of its divisors is an integer number (31540839).

Almost surely, 2^63081677 is an apocalyptic number.

It is an amenable number.

63081677 is a deficient number, since it is larger than the sum of its proper divisors (1).

63081677 is an equidigital number, since it uses as much as digits as its factorization.

63081677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 63081677 is about 7942.3974340246. The cubic root of 63081677 is about 398.0776028573.

The spelling of 63081677 in words is "sixty-three million, eighty-one thousand, six hundred seventy-seven".