1093657087 has 2 divisors, whose sum is σ = 1093657088. Its totient is φ = 1093657086.

The previous prime is 1093657057. The next prime is 1093657093. The reversal of 1093657087 is 7807563901.

It is a strong prime.

It is an emirp because it is prime and its reverse (7807563901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1093657087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1093657007) 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, 546828543 + 546828544.

It is an arithmetic number, because the mean of its divisors is an integer number (546828544).

Almost surely, 2^1093657087 is an apocalyptic number.

1093657087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1093657087 is an equidigital number, since it uses as much as digits as its factorization.

1093657087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 1093657087 is about 33070.4866459506. The cubic root of 1093657087 is about 1030.2921491941.

The spelling of 1093657087 in words is "one billion, ninety-three million, six hundred fifty-seven thousand, eighty-seven".