2627987 has 2 divisors, whose sum is σ = 2627988. Its totient is φ = 2627986.

The previous prime is 2627983. The next prime is 2627993. The reversal of 2627987 is 7897262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2627987 - 2² = 2627983 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 6⁷ + 2¹⁷ + 7² + 9² + 8⁷ + 7⁶ .

It is not a weakly prime, because it can be changed into another prime (2627981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1313993 + 1313994.

It is an arithmetic number, because the mean of its divisors is an integer number (1313994).

2^2627987 is an apocalyptic number.

2627987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2627987 is an equidigital number, since it uses as much as digits as its factorization.

2627987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 2627987 is about 1621.1067207312. The cubic root of 2627987 is about 137.9985122013.

The spelling of 2627987 in words is "two million, six hundred twenty-seven thousand, nine hundred eighty-seven".