878845731504 has 80 divisors (see below), whose sum is σ = 2504627964384. Its totient is φ = 263818598400.

The previous prime is 878845731503. The next prime is 878845731521. The reversal of 878845731504 is 405137548878.

It is not an unprimeable number, because it can be changed into a prime (878845731503) 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 15 ways as a sum of consecutive naturals, for example, 17150107 + ... + 17201274.

Almost surely, 2^878845731504 is an apocalyptic number.

It is an amenable number.

878845731504 is an abundant number, since it is smaller than the sum of its proper divisors (1625782232880).

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

878845731504 is a wasteful number, since it uses less digits than its factorization.

878845731504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34351446 (or 34351440 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 60.

The spelling of 878845731504 in words is "eight hundred seventy-eight billion, eight hundred forty-five million, seven hundred thirty-one thousand, five hundred four".