879704863 has 4 divisors (see below), whose sum is σ = 882533808. Its totient is φ = 876875920.

The previous prime is 879704843. The next prime is 879704873. The reversal of 879704863 is 368407978.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368407978 = 2 ⋅184203989.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-879704863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 879704863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879704803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414006 + ... + 1414627.

It is an arithmetic number, because the mean of its divisors is an integer number (220633452).

Almost surely, 2^879704863 is an apocalyptic number.

879704863 is a deficient number, since it is larger than the sum of its proper divisors (2828945).

879704863 is a wasteful number, since it uses less digits than its factorization.

879704863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828944.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 879704863 is about 29659.8189980991. The cubic root of 879704863 is about 958.1768287305.

The spelling of 879704863 in words is "eight hundred seventy-nine million, seven hundred four thousand, eight hundred sixty-three".