78426256104 has 80 divisors (see below), whose sum is σ = 251047024800. Its totient is φ = 22407500448.

The previous prime is 78426256067. The next prime is 78426256123. The reversal of 78426256104 is 40165262487.

78426256104 is a `hidden beast` number, since 7 + 8 + 4 + 2 + 6 + 25 + 610 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 78426256104.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8640334 + ... + 8649405.

It is an arithmetic number, because the mean of its divisors is an integer number (3138087810).

Almost surely, 2^78426256104 is an apocalyptic number.

It is an amenable number.

78426256104 is an abundant number, since it is smaller than the sum of its proper divisors (172620768696).

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

78426256104 is a wasteful number, since it uses less digits than its factorization.

78426256104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17289764 (or 17289751 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 78426256104 in words is "seventy-eight billion, four hundred twenty-six million, two hundred fifty-six thousand, one hundred four".