8987137 has 2 divisors, whose sum is σ = 8987138. Its totient is φ = 8987136.

The previous prime is 8987113. The next prime is 8987149. The reversal of 8987137 is 7317898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7268416 + 1718721 = 2696^2 + 1311^2 .

It is a cyclic number.

It is not a de Polignac number, because 8987137 - 2¹⁵ = 8954369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8987093 and 8987102.

It is not a weakly prime, because it can be changed into another prime (8987107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4493568 + 4493569.

It is an arithmetic number, because the mean of its divisors is an integer number (4493569).

Almost surely, 2^8987137 is an apocalyptic number.

It is an amenable number.

8987137 is a deficient number, since it is larger than the sum of its proper divisors (1).

8987137 is an equidigital number, since it uses as much as digits as its factorization.

8987137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 43.

The square root of 8987137 is about 2997.8554001152. The cubic root of 8987137 is about 207.9092383231.

The spelling of 8987137 in words is "eight million, nine hundred eighty-seven thousand, one hundred thirty-seven".