8778069216 has 72 divisors (see below), whose sum is σ = 28528731504. Its totient is φ = 2508019200.

The previous prime is 8778069161. The next prime is 8778069227. The reversal of 8778069216 is 6129608778.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2175085 + ... + 2179116.

It is an arithmetic number, because the mean of its divisors is an integer number (396232382).

Almost surely, 2^8778069216 is an apocalyptic number.

It is an amenable number.

8778069216 is an abundant number, since it is smaller than the sum of its proper divisors (19750662288).

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

8778069216 is a wasteful number, since it uses less digits than its factorization.

8778069216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354224 (or 4354213 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 8778069216 is about 93691.3508067847. The cubic root of 8778069216 is about 2062.8437502643.

The spelling of 8778069216 in words is "eight billion, seven hundred seventy-eight million, sixty-nine thousand, two hundred sixteen".