877979 has 8 divisors (see below), whose sum is σ = 933120. Its totient is φ = 824296.

The previous prime is 877949. The next prime is 877997. The reversal of 877979 is 979778.

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 877979 - 2¹⁶ = 812443 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 (877909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (116640).

2⁸⁷⁷⁹⁷⁹ is an apocalyptic number.

877979 is a deficient number, since it is larger than the sum of its proper divisors (55141).

877979 is a wasteful number, since it uses less digits than its factorization.

877979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its digits is 222264, while the sum is 47.

The square root of 877979 is about 937.0053361641. The cubic root of 877979 is about 95.7549813686.

The spelling of 877979 in words is "eight hundred seventy-seven thousand, nine hundred seventy-nine".