870771 has 8 divisors (see below), whose sum is σ = 1266624. Its totient is φ = 527720.

The previous prime is 870743. The next prime is 870773. The reversal of 870771 is 177078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 870771 - 2⁵ = 870739 is a prime.

870771 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (870773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13161 + ... + 13226.

It is an arithmetic number, because the mean of its divisors is an integer number (158328).

2⁸⁷⁰⁷⁷¹ is an apocalyptic number.

870771 is a deficient number, since it is larger than the sum of its proper divisors (395853).

870771 is a wasteful number, since it uses less digits than its factorization.

870771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26401.

The product of its (nonzero) digits is 2744, while the sum is 30.

The square root of 870771 is about 933.1511131644. The cubic root of 870771 is about 95.4922190603.

It can be divided in two parts, 87077 and 1, that added together give a palindrome (87078).

The spelling of 870771 in words is "eight hundred seventy thousand, seven hundred seventy-one".