8654789878 has 16 divisors (see below), whose sum is σ = 14972902560. Its totient is φ = 3675165696.

The previous prime is 8654789867. The next prime is 8654789881. The reversal of 8654789878 is 8789874568.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2834251 + ... + 2837302.

It is an arithmetic number, because the mean of its divisors is an integer number (935806410).

Almost surely, 2^8654789878 is an apocalyptic number.

8654789878 is a deficient number, since it is larger than the sum of its proper divisors (6318112682).

8654789878 is a wasteful number, since it uses less digits than its factorization.

8654789878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671671.

The product of its digits is 216760320, while the sum is 70.

The square root of 8654789878 is about 93031.1231685397. The cubic root of 8654789878 is about 2053.1413174356.

The spelling of 8654789878 in words is "eight billion, six hundred fifty-four million, seven hundred eighty-nine thousand, eight hundred seventy-eight".