870726271 has 2 divisors, whose sum is σ = 870726272. Its totient is φ = 870726270.

The previous prime is 870726257. The next prime is 870726287. The reversal of 870726271 is 172627078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 870726271 - 2⁹ = 870725759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870726251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435363135 + 435363136.

It is an arithmetic number, because the mean of its divisors is an integer number (435363136).

Almost surely, 2^870726271 is an apocalyptic number.

870726271 is a deficient number, since it is larger than the sum of its proper divisors (1).

870726271 is an equidigital number, since it uses as much as digits as its factorization.

870726271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 870726271 is about 29508.0712856669. The cubic root of 870726271 is about 954.9058397885.

The spelling of 870726271 in words is "eight hundred seventy million, seven hundred twenty-six thousand, two hundred seventy-one".