80688373 has 2 divisors, whose sum is σ = 80688374. Its totient is φ = 80688372.

The previous prime is 80688371. The next prime is 80688389. The reversal of 80688373 is 37388608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44182609 + 36505764 = 6647^2 + 6042^2 .

It is a cyclic number.

It is not a de Polignac number, because 80688373 - 2¹ = 80688371 is a prime.

It is a super-2 number, since 2×80688373² = 13021227074774258, which contains 22 as substring.

Together with 80688371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80688371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40344186 + 40344187.

It is an arithmetic number, because the mean of its divisors is an integer number (40344187).

Almost surely, 2^80688373 is an apocalyptic number.

It is an amenable number.

80688373 is a deficient number, since it is larger than the sum of its proper divisors (1).

80688373 is an equidigital number, since it uses as much as digits as its factorization.

80688373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 80688373 is about 8982.6707053081. The cubic root of 80688373 is about 432.1192889739.

The spelling of 80688373 in words is "eighty million, six hundred eighty-eight thousand, three hundred seventy-three".