860940875279 has 2 divisors, whose sum is σ = 860940875280. Its totient is φ = 860940875278.

The previous prime is 860940875273. The next prime is 860940875321. The reversal of 860940875279 is 972578049068.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 860940875279 - 2⁸ = 860940875023 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860940875273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430470437639 + 430470437640.

It is an arithmetic number, because the mean of its divisors is an integer number (430470437640).

Almost surely, 2^860940875279 is an apocalyptic number.

860940875279 is a deficient number, since it is larger than the sum of its proper divisors (1).

860940875279 is an equidigital number, since it uses as much as digits as its factorization.

860940875279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 860940875279 in words is "eight hundred sixty billion, nine hundred forty million, eight hundred seventy-five thousand, two hundred seventy-nine".