8680918778 has 32 divisors (see below), whose sum is σ = 16170147840. Its totient is φ = 3410884080.

The previous prime is 8680918711. The next prime is 8680918823. The reversal of 8680918778 is 8778190868.

8680918778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8680918778.

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 15 ways as a sum of consecutive naturals, for example, 518126 + ... + 534617.

It is an arithmetic number, because the mean of its divisors is an integer number (505317120).

Almost surely, 2^8680918778 is an apocalyptic number.

8680918778 is a deficient number, since it is larger than the sum of its proper divisors (7489229062).

8680918778 is a wasteful number, since it uses less digits than its factorization.

8680918778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052802.

The product of its (nonzero) digits is 10838016, while the sum is 62.

The square root of 8680918778 is about 93171.4482982850. The cubic root of 8680918778 is about 2055.2053932834.

The spelling of 8680918778 in words is "eight billion, six hundred eighty million, nine hundred eighteen thousand, seven hundred seventy-eight".