8008866778 has 32 divisors (see below), whose sum is σ = 13442711040. Its totient is φ = 3547800000.

The previous prime is 8008866773. The next prime is 8008866797. The reversal of 8008866778 is 8776688008.

It is not an unprimeable number, because it can be changed into a prime (8008866773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118903 + ... + 173653.

It is an arithmetic number, because the mean of its divisors is an integer number (420084720).

Almost surely, 2^8008866778 is an apocalyptic number.

8008866778 is a deficient number, since it is larger than the sum of its proper divisors (5433844262).

8008866778 is a wasteful number, since it uses less digits than its factorization.

8008866778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54934.

The product of its (nonzero) digits is 7225344, while the sum is 58.

The square root of 8008866778 is about 89492.2721691655. The cubic root of 8008866778 is about 2000.7386253494.

The spelling of 8008866778 in words is "eight billion, eight million, eight hundred sixty-six thousand, seven hundred seventy-eight".