1098967687 has 2 divisors, whose sum is σ = 1098967688. Its totient is φ = 1098967686.

The previous prime is 1098967651. The next prime is 1098967691. The reversal of 1098967687 is 7867698901.

It is a strong prime.

It is an emirp because it is prime and its reverse (7867698901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1098967687 - 2¹⁹ = 1098443399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098967627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549483843 + 549483844.

It is an arithmetic number, because the mean of its divisors is an integer number (549483844).

Almost surely, 2^1098967687 is an apocalyptic number.

1098967687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098967687 is an equidigital number, since it uses as much as digits as its factorization.

1098967687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 61.

The square root of 1098967687 is about 33150.6815465384. The cubic root of 1098967687 is about 1031.9570943317.

The spelling of 1098967687 in words is "one billion, ninety-eight million, nine hundred sixty-seven thousand, six hundred eighty-seven".