887666699 has 2 divisors, whose sum is σ = 887666700. Its totient is φ = 887666698.

The previous prime is 887666671. The next prime is 887666701. The reversal of 887666699 is 996666788.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 887666699 - 2⁸ = 887666443 is a prime.

Together with 887666701, 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 (887666629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443833349 + 443833350.

It is an arithmetic number, because the mean of its divisors is an integer number (443833350).

Almost surely, 2^887666699 is an apocalyptic number.

887666699 is a deficient number, since it is larger than the sum of its proper divisors (1).

887666699 is an equidigital number, since it uses as much as digits as its factorization.

887666699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 65.

The square root of 887666699 is about 29793.7359020315. The cubic root of 887666699 is about 961.0588357023.

The spelling of 887666699 in words is "eight hundred eighty-seven million, six hundred sixty-six thousand, six hundred ninety-nine".