80416338378 has 16 divisors (see below), whose sum is σ = 169297554720. Its totient is φ = 25394633136.

The previous prime is 80416338371. The next prime is 80416338391. The reversal of 80416338378 is 87383361408.

It is a self number, because there is not a number n which added to its sum of digits gives 80416338378.

It is not an unprimeable number, because it can be changed into a prime (80416338371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352703125 + ... + 352703352.

It is an arithmetic number, because the mean of its divisors is an integer number (10581097170).

Almost surely, 2^80416338378 is an apocalyptic number.

80416338378 is an abundant number, since it is smaller than the sum of its proper divisors (88881216342).

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

80416338378 is a wasteful number, since it uses less digits than its factorization.

80416338378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705406501.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 80416338378 in words is "eighty billion, four hundred sixteen million, three hundred thirty-eight thousand, three hundred seventy-eight".