877967 has 4 divisors (see below), whose sum is σ = 880080. Its totient is φ = 875856.

The previous prime is 877949. The next prime is 877997. The reversal of 877967 is 769778.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769778 = 2 ⋅384889.

It is a cyclic number.

It is not a de Polignac number, because 877967 - 2¹⁶ = 812431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877907) 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, 203 + ... + 1340.

It is an arithmetic number, because the mean of its divisors is an integer number (220020).

2⁸⁷⁷⁹⁶⁷ is an apocalyptic number.

877967 is a deficient number, since it is larger than the sum of its proper divisors (2113).

877967 is a wasteful number, since it uses less digits than its factorization.

877967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

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

The square root of 877967 is about 936.9989327635. The cubic root of 877967 is about 95.7545451148.

The spelling of 877967 in words is "eight hundred seventy-seven thousand, nine hundred sixty-seven".