63657823087 has 2 divisors, whose sum is σ = 63657823088. Its totient is φ = 63657823086.

The previous prime is 63657823069. The next prime is 63657823109. The reversal of 63657823087 is 78032875636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63657823087 - 2²⁷ = 63523605359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63657823007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31828911543 + 31828911544.

It is an arithmetic number, because the mean of its divisors is an integer number (31828911544).

Almost surely, 2^63657823087 is an apocalyptic number.

63657823087 is a deficient number, since it is larger than the sum of its proper divisors (1).

63657823087 is an equidigital number, since it uses as much as digits as its factorization.

63657823087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 63657823087 in words is "sixty-three billion, six hundred fifty-seven million, eight hundred twenty-three thousand, eighty-seven".