80996571901 has 32 divisors (see below), whose sum is σ = 95379215360. Its totient is φ = 67340657664.

The previous prime is 80996571889. The next prime is 80996571937. The reversal of 80996571901 is 10917569908.

It is not a de Polignac number, because 80996571901 - 2⁹ = 80996571389 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 (80996571991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51295330 + ... + 51296908.

It is an arithmetic number, because the mean of its divisors is an integer number (2980600480).

Almost surely, 2^80996571901 is an apocalyptic number.

It is an amenable number.

80996571901 is a deficient number, since it is larger than the sum of its proper divisors (14382643459).

80996571901 is a wasteful number, since it uses less digits than its factorization.

80996571901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705.

The product of its (nonzero) digits is 1224720, while the sum is 55.

The spelling of 80996571901 in words is "eighty billion, nine hundred ninety-six million, five hundred seventy-one thousand, nine hundred one".