1087795409 has 2 divisors, whose sum is σ = 1087795410. Its totient is φ = 1087795408.

The previous prime is 1087795369. The next prime is 1087795417. The reversal of 1087795409 is 9045977801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 931470400 + 156325009 = 30520^2 + 12503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1087795409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1087795459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543897704 + 543897705.

It is an arithmetic number, because the mean of its divisors is an integer number (543897705).

Almost surely, 2^1087795409 is an apocalyptic number.

It is an amenable number.

1087795409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087795409 is an equidigital number, since it uses as much as digits as its factorization.

1087795409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 1087795409 is about 32981.7435712547. The cubic root of 1087795409 is about 1028.4481639533.

The spelling of 1087795409 in words is "one billion, eighty-seven million, seven hundred ninety-five thousand, four hundred nine".