78856554359088 has 120 divisors (see below), whose sum is σ = 241064524580880. Its totient is φ = 23864851169280.

The previous prime is 78856554359081. The next prime is 78856554359113. The reversal of 78856554359088 is 88095345565887.

78856554359088 is a `hidden beast` number, since 7 + 8 + 8 + 5 + 6 + 554 + 3 + 59 + 0 + 8 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 78856554358998 and 78856554359016.

It is not an unprimeable number, because it can be changed into a prime (78856554359081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31150681 + ... + 33586872.

It is an arithmetic number, because the mean of its divisors is an integer number (2008871038174).

Almost surely, 2^{78856554359088} is an apocalyptic number.

It is an amenable number.

78856554359088 is an abundant number, since it is smaller than the sum of its proper divisors (162207970221792).

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

78856554359088 is a wasteful number, since it uses less digits than its factorization.

78856554359088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64738347 (or 64738338 counting only the distinct ones).

The product of its (nonzero) digits is 11612160000, while the sum is 81.

The spelling of 78856554359088 in words is "seventy-eight trillion, eight hundred fifty-six billion, five hundred fifty-four million, three hundred fifty-nine thousand, eighty-eight".