63957763 has 2 divisors, whose sum is σ = 63957764. Its totient is φ = 63957762.

The previous prime is 63957721. The next prime is 63957767. The reversal of 63957763 is 36775936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63957763 - 2²¹ = 61860611 is a prime.

It is not a weakly prime, because it can be changed into another prime (63957767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31978881 + 31978882.

It is an arithmetic number, because the mean of its divisors is an integer number (31978882).

Almost surely, 2^63957763 is an apocalyptic number.

63957763 is a deficient number, since it is larger than the sum of its proper divisors (1).

63957763 is an equidigital number, since it uses as much as digits as its factorization.

63957763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 46.

The square root of 63957763 is about 7997.3597518181. The cubic root of 63957763 is about 399.9119868856.

The spelling of 63957763 in words is "sixty-three million, nine hundred fifty-seven thousand, seven hundred sixty-three".