876977 has 4 divisors (see below), whose sum is σ = 886116. Its totient is φ = 867840.

The previous prime is 876971. The next prime is 877003. The reversal of 876977 is 779678.

876977 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 an emirpimes, since its reverse is a distinct semiprime: 779678 = 2 ⋅389839.

It can be written as a sum of positive squares in 2 ways, for example, as 703921 + 173056 = 839^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 876977 - 2⁶ = 876913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (876971) 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, 4424 + ... + 4617.

It is an arithmetic number, because the mean of its divisors is an integer number (221529).

2⁸⁷⁶⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

876977 is a deficient number, since it is larger than the sum of its proper divisors (9139).

876977 is an equidigital number, since it uses as much as digits as its factorization.

876977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138.

The product of its digits is 148176, while the sum is 44.

The square root of 876977 is about 936.4705014041. The cubic root of 876977 is about 95.7185404764.

The spelling of 876977 in words is "eight hundred seventy-six thousand, nine hundred seventy-seven".