80337749 has 2 divisors, whose sum is σ = 80337750. Its totient is φ = 80337748.

The previous prime is 80337739. The next prime is 80337769. The reversal of 80337749 is 94773308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76562500 + 3775249 = 8750^2 + 1943^2 .

It is a cyclic number.

It is not a de Polignac number, because 80337749 - 2⁸ = 80337493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80337739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40168874 + 40168875.

It is an arithmetic number, because the mean of its divisors is an integer number (40168875).

Almost surely, 2^80337749 is an apocalyptic number.

It is an amenable number.

80337749 is a deficient number, since it is larger than the sum of its proper divisors (1).

80337749 is an equidigital number, since it uses as much as digits as its factorization.

80337749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 80337749 is about 8963.1327670631. The cubic root of 80337749 is about 431.4924684505.

The spelling of 80337749 in words is "eighty million, three hundred thirty-seven thousand, seven hundred forty-nine".