78480116506 has 32 divisors (see below), whose sum is σ = 133231392000. Its totient is φ = 34343897280.

The previous prime is 78480116501. The next prime is 78480116513. The reversal of 78480116506 is 60561108487.

It is not an unprimeable number, because it can be changed into a prime (78480116501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46431 + ... + 398893.

It is an arithmetic number, because the mean of its divisors is an integer number (4163481000).

Almost surely, 2^78480116506 is an apocalyptic number.

78480116506 is a deficient number, since it is larger than the sum of its proper divisors (54751275494).

78480116506 is a wasteful number, since it uses less digits than its factorization.

78480116506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352854.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 78480116506 in words is "seventy-eight billion, four hundred eighty million, one hundred sixteen thousand, five hundred six".