879807 has 4 divisors (see below), whose sum is σ = 1173080. Its totient is φ = 586536.

The previous prime is 879799. The next prime is 879817. The reversal of 879807 is 708978.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 879807 - 2³ = 879799 is a prime.

It is a D-number.

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 879807.

It is not an unprimeable number, because it can be changed into a prime (879817) 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, 146632 + ... + 146637.

It is an arithmetic number, because the mean of its divisors is an integer number (293270).

2⁸⁷⁹⁸⁰⁷ is an apocalyptic number.

879807 is a deficient number, since it is larger than the sum of its proper divisors (293273).

879807 is a wasteful number, since it uses less digits than its factorization.

879807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293272.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 879807 is about 937.9802769781. The cubic root of 879807 is about 95.8213909924.

The spelling of 879807 in words is "eight hundred seventy-nine thousand, eight hundred seven".