63756250087 has 2 divisors, whose sum is σ = 63756250088. Its totient is φ = 63756250086.

The previous prime is 63756250043. The next prime is 63756250093. The reversal of 63756250087 is 78005265736.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63756250087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63756250087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63756259087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31878125043 + 31878125044.

It is an arithmetic number, because the mean of its divisors is an integer number (31878125044).

Almost surely, 2^63756250087 is an apocalyptic number.

63756250087 is a deficient number, since it is larger than the sum of its proper divisors (1).

63756250087 is an equidigital number, since it uses as much as digits as its factorization.

63756250087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 63756250087 in words is "sixty-three billion, seven hundred fifty-six million, two hundred fifty thousand, eighty-seven".