10887161687 has 2 divisors, whose sum is σ = 10887161688. Its totient is φ = 10887161686.

The previous prime is 10887161683. The next prime is 10887161693. The reversal of 10887161687 is 78616178801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10887161687 - 2² = 10887161683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10887161683) 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, 5443580843 + 5443580844.

It is an arithmetic number, because the mean of its divisors is an integer number (5443580844).

Almost surely, 2^10887161687 is an apocalyptic number.

10887161687 is a deficient number, since it is larger than the sum of its proper divisors (1).

10887161687 is an equidigital number, since it uses as much as digits as its factorization.

10887161687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 53.

The spelling of 10887161687 in words is "ten billion, eight hundred eighty-seven million, one hundred sixty-one thousand, six hundred eighty-seven".