859369087 has 2 divisors, whose sum is σ = 859369088. Its totient is φ = 859369086.

The previous prime is 859369013. The next prime is 859369099. The reversal of 859369087 is 780963958.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-859369087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (859369187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429684543 + 429684544.

It is an arithmetic number, because the mean of its divisors is an integer number (429684544).

Almost surely, 2^859369087 is an apocalyptic number.

859369087 is a deficient number, since it is larger than the sum of its proper divisors (1).

859369087 is an equidigital number, since it uses as much as digits as its factorization.

859369087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 859369087 is about 29314.9976462561. The cubic root of 859369087 is about 950.7359346416.

The spelling of 859369087 in words is "eight hundred fifty-nine million, three hundred sixty-nine thousand, eighty-seven".