78504363856228 has 48 divisors (see below), whose sum is σ = 146948695729920. Its totient is φ = 36590179728384.

The previous prime is 78504363856223. The next prime is 78504363856249. The reversal of 78504363856228 is 82265836340587.

It is not an unprimeable number, because it can be changed into a prime (78504363856223) 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, 29502076 + ... + 32052787.

It is an arithmetic number, because the mean of its divisors is an integer number (3061431161040).

Almost surely, 2^{78504363856228} is an apocalyptic number.

It is an amenable number.

78504363856228 is a deficient number, since it is larger than the sum of its proper divisors (68444331873692).

78504363856228 is a wasteful number, since it uses less digits than its factorization.

78504363856228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61555156 (or 61555154 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 67.

The spelling of 78504363856228 in words is "seventy-eight trillion, five hundred four billion, three hundred sixty-three million, eight hundred fifty-six thousand, two hundred twenty-eight".