870797 has 4 divisors (see below), whose sum is σ = 875136. Its totient is φ = 866460.

The previous prime is 870787. The next prime is 870809. The reversal of 870797 is 797078.

870797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 797078 = 2 ⋅398539.

It is a cyclic number.

It is not a de Polignac number, because 870797 - 2¹⁰ = 869773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 870797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853 + ... + 2274.

It is an arithmetic number, because the mean of its divisors is an integer number (218784).

2⁸⁷⁰⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

870797 is a deficient number, since it is larger than the sum of its proper divisors (4339).

870797 is a wasteful number, since it uses less digits than its factorization.

870797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338.

The product of its (nonzero) digits is 24696, while the sum is 38.

The square root of 870797 is about 933.1650443517. The cubic root of 870797 is about 95.4931694721.

The spelling of 870797 in words is "eight hundred seventy thousand, seven hundred ninety-seven".