80771851385 has 16 divisors (see below), whose sum is σ = 98017637760. Its totient is φ = 63892604160.

The previous prime is 80771851319. The next prime is 80771851393. The reversal of 80771851385 is 58315817708.

It is not a de Polignac number, because 80771851385 - 2²² = 80767657081 is a prime.

It is an unprimeable number.

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, 66140 + ... + 407330.

It is an arithmetic number, because the mean of its divisors is an integer number (6126102360).

Almost surely, 2^80771851385 is an apocalyptic number.

It is an amenable number.

80771851385 is a deficient number, since it is larger than the sum of its proper divisors (17245786375).

80771851385 is a wasteful number, since it uses less digits than its factorization.

80771851385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341728.

The product of its (nonzero) digits is 1881600, while the sum is 53.

The spelling of 80771851385 in words is "eighty billion, seven hundred seventy-one million, eight hundred fifty-one thousand, three hundred eighty-five".