80378111882339 has 4 divisors (see below), whose sum is σ = 80378265866520. Its totient is φ = 80377957898160.

The previous prime is 80378111882317. The next prime is 80378111882347. The reversal of 80378111882339 is 93328811187308.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80378111882339 - 2⁸ = 80378111882083 is a prime.

It is a super-2 number, since 2×80378111882339² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80378111885339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76206434 + ... + 77253975.

It is an arithmetic number, because the mean of its divisors is an integer number (20094566466630).

Almost surely, 2^{80378111882339} is an apocalyptic number.

80378111882339 is a deficient number, since it is larger than the sum of its proper divisors (153984181).

80378111882339 is a wasteful number, since it uses less digits than its factorization.

80378111882339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153984180.

The product of its (nonzero) digits is 13934592, while the sum is 62.

The spelling of 80378111882339 in words is "eighty trillion, three hundred seventy-eight billion, one hundred eleven million, eight hundred eighty-two thousand, three hundred thirty-nine".