8678881915 has 8 divisors (see below), whose sum is σ = 11361445488. Its totient is φ = 6311914080.

The previous prime is 8678881891. The next prime is 8678881957. The reversal of 8678881915 is 5191888768.

8678881915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8678881915 - 2⁷ = 8678881787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78898872 + ... + 78898981.

It is an arithmetic number, because the mean of its divisors is an integer number (1420180686).

Almost surely, 2^8678881915 is an apocalyptic number.

8678881915 is a deficient number, since it is larger than the sum of its proper divisors (2682563573).

8678881915 is a wasteful number, since it uses less digits than its factorization.

8678881915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157797869.

The product of its digits is 7741440, while the sum is 61.

The square root of 8678881915 is about 93160.5169317990. The cubic root of 8678881915 is about 2055.0446384377.

The spelling of 8678881915 in words is "eight billion, six hundred seventy-eight million, eight hundred eighty-one thousand, nine hundred fifteen".