870935240771 has 2 divisors, whose sum is σ = 870935240772. Its totient is φ = 870935240770.

The previous prime is 870935240713. The next prime is 870935240821. The reversal of 870935240771 is 177042539078.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870935240771 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (870935243771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435467620385 + 435467620386.

It is an arithmetic number, because the mean of its divisors is an integer number (435467620386).

Almost surely, 2^870935240771 is an apocalyptic number.

870935240771 is a deficient number, since it is larger than the sum of its proper divisors (1).

870935240771 is an equidigital number, since it uses as much as digits as its factorization.

870935240771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 870935240771 in words is "eight hundred seventy billion, nine hundred thirty-five million, two hundred forty thousand, seven hundred seventy-one".