9087761 has 2 divisors, whose sum is σ = 9087762. Its totient is φ = 9087760.

The previous prime is 9087713. The next prime is 9087763. The reversal of 9087761 is 1677809.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8673025 + 414736 = 2945^2 + 644^2 .

It is a cyclic number.

It is not a de Polignac number, because 9087761 - 2¹⁸ = 8825617 is a prime.

Together with 9087763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9087763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4543880 + 4543881.

It is an arithmetic number, because the mean of its divisors is an integer number (4543881).

Almost surely, 2^9087761 is an apocalyptic number.

It is an amenable number.

9087761 is a deficient number, since it is larger than the sum of its proper divisors (1).

9087761 is an equidigital number, since it uses as much as digits as its factorization.

9087761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 9087761 is about 3014.5913487569. The cubic root of 9087761 is about 208.6823084810.

The spelling of 9087761 in words is "nine million, eighty-seven thousand, seven hundred sixty-one".