870077 has 16 divisors (see below), whose sum is σ = 1032192. Its totient is φ = 725760.

The previous prime is 870059. The next prime is 870083. The reversal of 870077 is 770078.

It is a cyclic number.

It is not a de Polignac number, because 870077 - 2⁶ = 870013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 870077.

It is not an unprimeable number, because it can be changed into a prime (870007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6788 + ... + 6914.

It is an arithmetic number, because the mean of its divisors is an integer number (64512).

2⁸⁷⁰⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

870077 is a deficient number, since it is larger than the sum of its proper divisors (162115).

870077 is a wasteful number, since it uses less digits than its factorization.

870077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 870077 is about 932.7791807282. The cubic root of 870077 is about 95.4668433822.

Subtracting from 870077 its reverse (770078), we obtain a palindrome (99999).

The spelling of 870077 in words is "eight hundred seventy thousand, seventy-seven".