2660087 has 2 divisors, whose sum is σ = 2660088. Its totient is φ = 2660086.

The previous prime is 2660071. The next prime is 2660089. The reversal of 2660087 is 7800662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2660087 - 2⁴ = 2660071 is a prime.

Together with 2660089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660089) 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, 1330043 + 1330044.

It is an arithmetic number, because the mean of its divisors is an integer number (1330044).

2^2660087 is an apocalyptic number.

2660087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660087 is an equidigital number, since it uses as much as digits as its factorization.

2660087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2660087 is about 1630.9773143732. The cubic root of 2660087 is about 138.5581087866.

The spelling of 2660087 in words is "two million, six hundred sixty thousand, eighty-seven".