9887699 has 2 divisors, whose sum is σ = 9887700. Its totient is φ = 9887698.

The previous prime is 9887687. The next prime is 9887711. The reversal of 9887699 is 9967889.

It is a balanced prime because it is at equal distance from previous prime (9887687) and next prime (9887711).

It is a cyclic number.

It is not a de Polignac number, because 9887699 - 2¹² = 9883603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9887609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4943849 + 4943850.

It is an arithmetic number, because the mean of its divisors is an integer number (4943850).

Almost surely, 2^9887699 is an apocalyptic number.

9887699 is a deficient number, since it is larger than the sum of its proper divisors (1).

9887699 is an equidigital number, since it uses as much as digits as its factorization.

9887699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 56.

The square root of 9887699 is about 3144.4711797057. The cubic root of 9887699 is about 214.6339471605.

The spelling of 9887699 in words is "nine million, eight hundred eighty-seven thousand, six hundred ninety-nine".