63870263 has 2 divisors, whose sum is σ = 63870264. Its totient is φ = 63870262.

The previous prime is 63870259. The next prime is 63870271. The reversal of 63870263 is 36207836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63870263 - 2² = 63870259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63870203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31935131 + 31935132.

It is an arithmetic number, because the mean of its divisors is an integer number (31935132).

Almost surely, 2^63870263 is an apocalyptic number.

63870263 is a deficient number, since it is larger than the sum of its proper divisors (1).

63870263 is an equidigital number, since it uses as much as digits as its factorization.

63870263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 63870263 is about 7991.8873240305. The cubic root of 63870263 is about 399.7295317419.

The spelling of 63870263 in words is "sixty-three million, eight hundred seventy thousand, two hundred sixty-three".