8878858578 has 20 divisors (see below), whose sum is σ = 19895220510. Its totient is φ = 2959619472.

The previous prime is 8878858543. The next prime is 8878858589. The reversal of 8878858578 is 8758588788.

It can be written as a sum of positive squares in only one way, i.e., 6268363929 + 2610494649 = 79173^2 + 51093^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27403723 + ... + 27404046.

Almost surely, 2^8878858578 is an apocalyptic number.

8878858578 is an abundant number, since it is smaller than the sum of its proper divisors (11016361932).

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

8878858578 is a wasteful number, since it uses less digits than its factorization.

8878858578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54807783 (or 54807774 counting only the distinct ones).

The product of its digits is 321126400, while the sum is 72.

The square root of 8878858578 is about 94227.6953872905. The cubic root of 8878858578 is about 2070.7088813461.

The spelling of 8878858578 in words is "eight billion, eight hundred seventy-eight million, eight hundred fifty-eight thousand, five hundred seventy-eight".