878965569878 has 16 divisors (see below), whose sum is σ = 1487904100560. Its totient is φ = 385752914400.

The previous prime is 878965569869. The next prime is 878965569919.

It is a happy number.

878965569878 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 878965569878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688843853 + ... + 688845128.

It is an arithmetic number, because the mean of its divisors is an integer number (92994006285).

Almost surely, 2^878965569878 is an apocalyptic number.

878965569878 is a deficient number, since it is larger than the sum of its proper divisors (608938530682).

878965569878 is a wasteful number, since it uses less digits than its factorization.

878965569878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377689023.

The product of its digits is 14631321600, while the sum is 86.

The spelling of 878965569878 in words is "eight hundred seventy-eight billion, nine hundred sixty-five million, five hundred sixty-nine thousand, eight hundred seventy-eight".