80109973 has 2 divisors, whose sum is σ = 80109974. Its totient is φ = 80109972.

The previous prime is 80109961. The next prime is 80109979. The reversal of 80109973 is 37990108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56896849 + 23213124 = 7543^2 + 4818^2 .

It is a cyclic number.

It is not a de Polignac number, because 80109973 - 2¹⁷ = 79978901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80109979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40054986 + 40054987.

It is an arithmetic number, because the mean of its divisors is an integer number (40054987).

Almost surely, 2^80109973 is an apocalyptic number.

It is an amenable number.

80109973 is a deficient number, since it is larger than the sum of its proper divisors (1).

80109973 is an equidigital number, since it uses as much as digits as its factorization.

80109973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 80109973 is about 8950.4174762968. The cubic root of 80109973 is about 431.0842889755.

The spelling of 80109973 in words is "eighty million, one hundred nine thousand, nine hundred seventy-three".