879677 has 4 divisors (see below), whose sum is σ = 886236. Its totient is φ = 873120.

The previous prime is 879673. The next prime is 879679. The reversal of 879677 is 776978.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 776978 = 2 ⋅388489.

It can be written as a sum of positive squares in 2 ways, for example, as 376996 + 502681 = 614^2 + 709^2 .

It is a cyclic number.

It is not a de Polignac number, because 879677 - 2² = 879673 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879673) 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, 3074 + ... + 3347.

It is an arithmetic number, because the mean of its divisors is an integer number (221559).

2⁸⁷⁹⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

879677 is a deficient number, since it is larger than the sum of its proper divisors (6559).

879677 is a wasteful number, since it uses less digits than its factorization.

879677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6558.

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

The square root of 879677 is about 937.9109765857. The cubic root of 879677 is about 95.8166712473.

The spelling of 879677 in words is "eight hundred seventy-nine thousand, six hundred seventy-seven".