878788396574 has 64 divisors (see below), whose sum is σ = 1468950163200. Its totient is φ = 390921484800.

The previous prime is 878788396559. The next prime is 878788396687. The reversal of 878788396574 is 475693887878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424739612 + ... + 424741680.

It is an arithmetic number, because the mean of its divisors is an integer number (22952346300).

Almost surely, 2^878788396574 is an apocalyptic number.

878788396574 is a deficient number, since it is larger than the sum of its proper divisors (590161766626).

878788396574 is a wasteful number, since it uses less digits than its factorization.

878788396574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449.

The product of its digits is 4551966720, while the sum is 80.

The spelling of 878788396574 in words is "eight hundred seventy-eight billion, seven hundred eighty-eight million, three hundred ninety-six thousand, five hundred seventy-four".