80973143 has 2 divisors, whose sum is σ = 80973144. Its totient is φ = 80973142.

The previous prime is 80973121. The next prime is 80973173. The reversal of 80973143 is 34137908.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80973143 - 2¹⁰ = 80972119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80973103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40486571 + 40486572.

It is an arithmetic number, because the mean of its divisors is an integer number (40486572).

Almost surely, 2^80973143 is an apocalyptic number.

80973143 is a deficient number, since it is larger than the sum of its proper divisors (1).

80973143 is an equidigital number, since it uses as much as digits as its factorization.

80973143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 80973143 is about 8998.5078207445. The cubic root of 80973143 is about 432.6270454397.

The spelling of 80973143 in words is "eighty million, nine hundred seventy-three thousand, one hundred forty-three".