80337878911 has 16 divisors (see below), whose sum is σ = 91625361408. Its totient is φ = 69991574400.

The previous prime is 80337878903. The next prime is 80337878917. The reversal of 80337878911 is 11987873308.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80337878911 - 2³ = 80337878903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80337878917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3301875 + ... + 3326116.

It is an arithmetic number, because the mean of its divisors is an integer number (5726585088).

Almost surely, 2^80337878911 is an apocalyptic number.

80337878911 is a deficient number, since it is larger than the sum of its proper divisors (11287482497).

80337878911 is a wasteful number, since it uses less digits than its factorization.

80337878911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628062.

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 80337878911 in words is "eighty billion, three hundred thirty-seven million, eight hundred seventy-eight thousand, nine hundred eleven".