696887 has 2 divisors, whose sum is σ = 696888. Its totient is φ = 696886.

The previous prime is 696853. The next prime is 696889. The reversal of 696887 is 788696.

696887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 696887 - 2⁶ = 696823 is a prime.

Together with 696889, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348443 + 348444.

It is an arithmetic number, because the mean of its divisors is an integer number (348444).

2⁶⁹⁶⁸⁸⁷ is an apocalyptic number.

696887 is a deficient number, since it is larger than the sum of its proper divisors (1).

696887 is an equidigital number, since it uses as much as digits as its factorization.

696887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 696887 is about 834.7975802552. The cubic root of 696887 is about 88.6585833800.

Subtracting 696887 from its reverse (788696), we obtain a square (91809 = 303²).

The spelling of 696887 in words is "six hundred ninety-six thousand, eight hundred eighty-seven".