63067871 has 2 divisors, whose sum is σ = 63067872. Its totient is φ = 63067870.

The previous prime is 63067861. The next prime is 63067877. The reversal of 63067871 is 17876036.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63067871 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63067877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31533935 + 31533936.

It is an arithmetic number, because the mean of its divisors is an integer number (31533936).

Almost surely, 2^63067871 is an apocalyptic number.

63067871 is a deficient number, since it is larger than the sum of its proper divisors (1).

63067871 is an equidigital number, since it uses as much as digits as its factorization.

63067871 is an evil number, because the sum of its binary digits is even.

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

The square root of 63067871 is about 7941.5282534283. The cubic root of 63067871 is about 398.0485597678.

The spelling of 63067871 in words is "sixty-three million, sixty-seven thousand, eight hundred seventy-one".