63876287 has 2 divisors, whose sum is σ = 63876288. Its totient is φ = 63876286.

The previous prime is 63876283. The next prime is 63876341. The reversal of 63876287 is 78267836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63876287 - 2² = 63876283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63876283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31938143 + 31938144.

It is an arithmetic number, because the mean of its divisors is an integer number (31938144).

Almost surely, 2^63876287 is an apocalyptic number.

63876287 is a deficient number, since it is larger than the sum of its proper divisors (1).

63876287 is an equidigital number, since it uses as much as digits as its factorization.

63876287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 47.

The square root of 63876287 is about 7992.2641973348. The cubic root of 63876287 is about 399.7420983359.

The spelling of 63876287 in words is "sixty-three million, eight hundred seventy-six thousand, two hundred eighty-seven".