8778485065872 has 20 divisors (see below), whose sum is σ = 22677753086960. Its totient is φ = 2926161688608.

The previous prime is 8778485065793. The next prime is 8778485065943. The reversal of 8778485065872 is 2785605848778.

It is a junction number, because it is equal to n+sod(n) for n = 8778485065794 and 8778485065803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91442552722 + ... + 91442552817.

It is an arithmetic number, because the mean of its divisors is an integer number (1133887654348).

Almost surely, 2^{8778485065872} is an apocalyptic number.

It is an amenable number.

8778485065872 is an abundant number, since it is smaller than the sum of its proper divisors (13899268021088).

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

8778485065872 is a wasteful number, since it uses less digits than its factorization.

8778485065872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182885105550 (or 182885105544 counting only the distinct ones).

The product of its (nonzero) digits is 1685913600, while the sum is 75.

The spelling of 8778485065872 in words is "eight trillion, seven hundred seventy-eight billion, four hundred eighty-five million, sixty-five thousand, eight hundred seventy-two".