80886271673 has 4 divisors (see below), whose sum is σ = 82025515008. Its totient is φ = 79747028340.

The previous prime is 80886271621. The next prime is 80886271693. The reversal of 80886271673 is 37617268808.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80886271673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80886271693) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 569621561 + ... + 569621702.

It is an arithmetic number, because the mean of its divisors is an integer number (20506378752).

Almost surely, 2^80886271673 is an apocalyptic number.

It is an amenable number.

80886271673 is a deficient number, since it is larger than the sum of its proper divisors (1139243335).

80886271673 is a wasteful number, since it uses less digits than its factorization.

80886271673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139243334.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 80886271673 in words is "eighty billion, eight hundred eighty-six million, two hundred seventy-one thousand, six hundred seventy-three".