80393381065 has 16 divisors (see below), whose sum is σ = 98064806400. Its totient is φ = 63259065792.

The previous prime is 80393381053. The next prime is 80393381129. The reversal of 80393381065 is 56018339308.

It is a cyclic number.

It is not a de Polignac number, because 80393381065 - 2²⁵ = 80359826633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283050 + ... + 490819.

It is an arithmetic number, because the mean of its divisors is an integer number (6129050400).

Almost surely, 2^80393381065 is an apocalyptic number.

It is an amenable number.

80393381065 is a deficient number, since it is larger than the sum of its proper divisors (17671425335).

80393381065 is a wasteful number, since it uses less digits than its factorization.

80393381065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774216.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 80393381065 in words is "eighty billion, three hundred ninety-three million, three hundred eighty-one thousand, sixty-five".