80357741 has 2 divisors, whose sum is σ = 80357742. Its totient is φ = 80357740.

The previous prime is 80357731. The next prime is 80357789. The reversal of 80357741 is 14775308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54449641 + 25908100 = 7379^2 + 5090^2 .

It is a cyclic number.

It is not a de Polignac number, because 80357741 - 2⁶ = 80357677 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 (80357701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40178870 + 40178871.

It is an arithmetic number, because the mean of its divisors is an integer number (40178871).

Almost surely, 2^80357741 is an apocalyptic number.

It is an amenable number.

80357741 is a deficient number, since it is larger than the sum of its proper divisors (1).

80357741 is an equidigital number, since it uses as much as digits as its factorization.

80357741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 80357741 is about 8964.2479327604. The cubic root of 80357741 is about 431.5282576948.

The spelling of 80357741 in words is "eighty million, three hundred fifty-seven thousand, seven hundred forty-one".