80271601779 has 8 divisors (see below), whose sum is σ = 110481344512. Its totient is φ = 51788130120.

The previous prime is 80271601777. The next prime is 80271601783. The reversal of 80271601779 is 97710617208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80271601779 - 2¹ = 80271601777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80271601771) 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, 431567659 + ... + 431567844.

It is an arithmetic number, because the mean of its divisors is an integer number (13810168064).

Almost surely, 2^80271601779 is an apocalyptic number.

80271601779 is a deficient number, since it is larger than the sum of its proper divisors (30209742733).

80271601779 is a wasteful number, since it uses less digits than its factorization.

80271601779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863135537.

The product of its (nonzero) digits is 296352, while the sum is 48.

The spelling of 80271601779 in words is "eighty billion, two hundred seventy-one million, six hundred one thousand, seven hundred seventy-nine".