78463036315806 has 32 divisors (see below), whose sum is σ = 157119563704320. Its totient is φ = 26122099490016.

The previous prime is 78463036315717. The next prime is 78463036315831. The reversal of 78463036315806 is 60851363036487.

It is a self number, because there is not a number n which added to its sum of digits gives 78463036315806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127339795 + ... + 127954481.

It is an arithmetic number, because the mean of its divisors is an integer number (4909986365760).

Almost surely, 2^{78463036315806} is an apocalyptic number.

78463036315806 is an abundant number, since it is smaller than the sum of its proper divisors (78656527388514).

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

78463036315806 is a wasteful number, since it uses less digits than its factorization.

78463036315806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640888.

The product of its (nonzero) digits is 52254720, while the sum is 60.

The spelling of 78463036315806 in words is "seventy-eight trillion, four hundred sixty-three billion, thirty-six million, three hundred fifteen thousand, eight hundred six".