859316399 has 2 divisors, whose sum is σ = 859316400. Its totient is φ = 859316398.

The previous prime is 859316351. The next prime is 859316441. The reversal of 859316399 is 993613958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 859316399 - 2¹² = 859312303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 859316399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (859316099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429658199 + 429658200.

It is an arithmetic number, because the mean of its divisors is an integer number (429658200).

Almost surely, 2^859316399 is an apocalyptic number.

859316399 is a deficient number, since it is larger than the sum of its proper divisors (1).

859316399 is an equidigital number, since it uses as much as digits as its factorization.

859316399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 53.

The square root of 859316399 is about 29314.0989798424. The cubic root of 859316399 is about 950.7165043411.

The spelling of 859316399 in words is "eight hundred fifty-nine million, three hundred sixteen thousand, three hundred ninety-nine".