1087727791 has 2 divisors, whose sum is σ = 1087727792. Its totient is φ = 1087727790.

The previous prime is 1087727759. The next prime is 1087727801. The reversal of 1087727791 is 1977277801.

It is a strong prime.

It is an emirp because it is prime and its reverse (1977277801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1087727791 - 2⁵ = 1087727759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087727731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543863895 + 543863896.

It is an arithmetic number, because the mean of its divisors is an integer number (543863896).

Almost surely, 2^1087727791 is an apocalyptic number.

1087727791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087727791 is an equidigital number, since it uses as much as digits as its factorization.

1087727791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345744, while the sum is 49.

The square root of 1087727791 is about 32980.7184730715. The cubic root of 1087727791 is about 1028.4268538649.

The spelling of 1087727791 in words is "one billion, eighty-seven million, seven hundred twenty-seven thousand, seven hundred ninety-one".