879505985718 has 48 divisors (see below), whose sum is σ = 2005977542400. Its totient is φ = 277726728240.

The previous prime is 879505985717. The next prime is 879505985741. The reversal of 879505985718 is 817589505978.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879505985717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11191783 + ... + 11270093.

It is an arithmetic number, because the mean of its divisors is an integer number (41791198800).

Almost surely, 2^879505985718 is an apocalyptic number.

879505985718 is an abundant number, since it is smaller than the sum of its proper divisors (1126471556682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

879505985718 is a wasteful number, since it uses less digits than its factorization.

879505985718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111177 (or 111174 counting only the distinct ones).

The product of its (nonzero) digits is 254016000, while the sum is 72.

The spelling of 879505985718 in words is "eight hundred seventy-nine billion, five hundred five million, nine hundred eighty-five thousand, seven hundred eighteen".