699360887 has 2 divisors, whose sum is σ = 699360888. Its totient is φ = 699360886.

The previous prime is 699360869. The next prime is 699360889. The reversal of 699360887 is 788063996.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 699360887 - 2¹⁶ = 699295351 is a prime.

Together with 699360889, 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 (699360889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349680443 + 349680444.

It is an arithmetic number, because the mean of its divisors is an integer number (349680444).

Almost surely, 2^699360887 is an apocalyptic number.

699360887 is a deficient number, since it is larger than the sum of its proper divisors (1).

699360887 is an equidigital number, since it uses as much as digits as its factorization.

699360887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The square root of 699360887 is about 26445.4322520922. The cubic root of 699360887 is about 887.6336951799.

The spelling of 699360887 in words is "six hundred ninety-nine million, three hundred sixty thousand, eight hundred eighty-seven".