878987898788 has 24 divisors (see below), whose sum is σ = 1589345904384. Its totient is φ = 424915797600.

The previous prime is 878987898787. The next prime is 878987898827. The reversal of 878987898788 is 887898789878.

It is a self number, because there is not a number n which added to its sum of digits gives 878987898788.

It is not an unprimeable number, because it can be changed into a prime (878987898781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3208970 + ... + 3472097.

It is an arithmetic number, because the mean of its divisors is an integer number (66222746016).

Almost surely, 2^878987898788 is an apocalyptic number.

It is an amenable number.

878987898788 is a deficient number, since it is larger than the sum of its proper divisors (710358005596).

878987898788 is a wasteful number, since it uses less digits than its factorization.

878987898788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682163 (or 6682161 counting only the distinct ones).

The product of its digits is 58265174016, while the sum is 95.

The spelling of 878987898788 in words is "eight hundred seventy-eight billion, nine hundred eighty-seven million, eight hundred ninety-eight thousand, seven hundred eighty-eight".