32512987687 has 2 divisors, whose sum is σ = 32512987688. Its totient is φ = 32512987686.

The previous prime is 32512987667. The next prime is 32512987697. The reversal of 32512987687 is 78678921523.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32512987687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32512987607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16256493843 + 16256493844.

It is an arithmetic number, because the mean of its divisors is an integer number (16256493844).

Almost surely, 2^32512987687 is an apocalyptic number.

32512987687 is a deficient number, since it is larger than the sum of its proper divisors (1).

32512987687 is an equidigital number, since it uses as much as digits as its factorization.

32512987687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 58.

The spelling of 32512987687 in words is "thirty-two billion, five hundred twelve million, nine hundred eighty-seven thousand, six hundred eighty-seven".