78854542080064 has 63 divisors (see below), whose sum is σ = 157541547376143. Its totient is φ = 39160835280000.

The previous prime is 78854542080059. The next prime is 78854542080091. The reversal of 78854542080064 is 46008024545887.

It is a happy number.

The square root of 78854542080064 is 8880008.

It is a perfect power (a square), and thus also a powerful number.

78854542080064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78854542079984 and 78854542080011.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10727045989 + ... + 10727053339.

It is an arithmetic number, because the mean of its divisors is an integer number (2500659482161).

Almost surely, 2^{78854542080064} is an apocalyptic number.

78854542080064 is the 8880008-th square number.

It is an amenable number.

78854542080064 is a deficient number, since it is larger than the sum of its proper divisors (78687005296079).

78854542080064 is an frugal number, since it uses more digits than its factorization.

78854542080064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15016 (or 7504 counting only the distinct ones).

The product of its (nonzero) digits is 68812800, while the sum is 61.

The spelling of 78854542080064 in words is "seventy-eight trillion, eight hundred fifty-four billion, five hundred forty-two million, eighty thousand, sixty-four".