879783 has 4 divisors (see below), whose sum is σ = 1173048. Its totient is φ = 586520.

The previous prime is 879743. The next prime is 879797. The reversal of 879783 is 387978.

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

It is a cyclic number.

It is not a de Polignac number, because 879783 - 2⁹ = 879271 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879713) 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, 146628 + ... + 146633.

It is an arithmetic number, because the mean of its divisors is an integer number (293262).

2⁸⁷⁹⁷⁸³ is an apocalyptic number.

879783 is a deficient number, since it is larger than the sum of its proper divisors (293265).

879783 is a wasteful number, since it uses less digits than its factorization.

879783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293264.

The product of its digits is 84672, while the sum is 42.

The square root of 879783 is about 937.9674834449. The cubic root of 879783 is about 95.8205196899.

It can be divided in two parts, 87 and 9783, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 879783 in words is "eight hundred seventy-nine thousand, seven hundred eighty-three".