860800687 has 2 divisors, whose sum is σ = 860800688. Its totient is φ = 860800686.

The previous prime is 860800673. The next prime is 860800709. The reversal of 860800687 is 786008068.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 860800687 - 2²⁷ = 726582959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860800487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430400343 + 430400344.

It is an arithmetic number, because the mean of its divisors is an integer number (430400344).

Almost surely, 2^860800687 is an apocalyptic number.

860800687 is a deficient number, since it is larger than the sum of its proper divisors (1).

860800687 is an equidigital number, since it uses as much as digits as its factorization.

860800687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 860800687 is about 29339.4050212338. The cubic root of 860800687 is about 951.2635769516.

The spelling of 860800687 in words is "eight hundred sixty million, eight hundred thousand, six hundred eighty-seven".