63872087 has 2 divisors, whose sum is σ = 63872088. Its totient is φ = 63872086.

The previous prime is 63872047. The next prime is 63872093. The reversal of 63872087 is 78027836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63872087 - 2¹⁰ = 63871063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63872047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31936043 + 31936044.

It is an arithmetic number, because the mean of its divisors is an integer number (31936044).

Almost surely, 2^63872087 is an apocalyptic number.

63872087 is a deficient number, since it is larger than the sum of its proper divisors (1).

63872087 is an equidigital number, since it uses as much as digits as its factorization.

63872087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 63872087 is about 7992.0014389388. The cubic root of 63872087 is about 399.7333368497.

The spelling of 63872087 in words is "sixty-three million, eight hundred seventy-two thousand, eighty-seven".