860683979 has 2 divisors, whose sum is σ = 860683980. Its totient is φ = 860683978.

The previous prime is 860683963. The next prime is 860683991. The reversal of 860683979 is 979386068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 860683979 - 2⁴ = 860683963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (860683079) 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, 430341989 + 430341990.

It is an arithmetic number, because the mean of its divisors is an integer number (430341990).

Almost surely, 2^860683979 is an apocalyptic number.

860683979 is a deficient number, since it is larger than the sum of its proper divisors (1).

860683979 is an equidigital number, since it uses as much as digits as its factorization.

860683979 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 860683979 is about 29337.4160245922. The cubic root of 860683979 is about 951.2205839998.

The spelling of 860683979 in words is "eight hundred sixty million, six hundred eighty-three thousand, nine hundred seventy-nine".