8678388078 has 48 divisors (see below), whose sum is σ = 19120997376. Its totient is φ = 2844127440.

The previous prime is 8678388067. The next prime is 8678388091. The reversal of 8678388078 is 8708838768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459775 + ... + 478277.

It is an arithmetic number, because the mean of its divisors is an integer number (398354112).

Almost surely, 2^8678388078 is an apocalyptic number.

8678388078 is an abundant number, since it is smaller than the sum of its proper divisors (10442609298).

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

8678388078 is a wasteful number, since it uses less digits than its factorization.

8678388078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18949 (or 18946 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 63.

The square root of 8678388078 is about 93157.8664311286. The cubic root of 8678388078 is about 2055.0056596715.

The spelling of 8678388078 in words is "eight billion, six hundred seventy-eight million, three hundred eighty-eight thousand, seventy-eight".