80972243366 has 16 divisors (see below), whose sum is σ = 140106848256. Its totient is φ = 34378067976.

The previous prime is 80972243347. The next prime is 80972243369. The reversal of 80972243366 is 66334227908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80972243369) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27025286 + ... + 27028281.

It is an arithmetic number, because the mean of its divisors is an integer number (8756678016).

Almost surely, 2^80972243366 is an apocalyptic number.

80972243366 is a deficient number, since it is larger than the sum of its proper divisors (59134604890).

80972243366 is a wasteful number, since it uses less digits than its factorization.

80972243366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54053683.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 80972243366 in words is "eighty billion, nine hundred seventy-two million, two hundred forty-three thousand, three hundred sixty-six".