8978788 has 48 divisors (see below), whose sum is σ = 20490624. Its totient is φ = 3340800.

The previous prime is 8978779. The next prime is 8978803. The reversal of 8978788 is 8878798.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5463 + ... + 6913.

It is an arithmetic number, because the mean of its divisors is an integer number (426888).

Almost surely, 2^8978788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8978788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10245312).

8978788 is an abundant number, since it is smaller than the sum of its proper divisors (11511836).

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

8978788 is a wasteful number, since it uses less digits than its factorization.

8978788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1490 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 55.

The square root of 8978788 is about 2996.4625811113. The cubic root of 8978788 is about 207.8448362028.

The spelling of 8978788 in words is "eight million, nine hundred seventy-eight thousand, seven hundred eighty-eight".