80788349 has 2 divisors, whose sum is σ = 80788350. Its totient is φ = 80788348.

The previous prime is 80788307. The next prime is 80788373. The reversal of 80788349 is 94388708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58415449 + 22372900 = 7643^2 + 4730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80788349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80788049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40394174 + 40394175.

It is an arithmetic number, because the mean of its divisors is an integer number (40394175).

Almost surely, 2^80788349 is an apocalyptic number.

It is an amenable number.

80788349 is a deficient number, since it is larger than the sum of its proper divisors (1).

80788349 is an equidigital number, since it uses as much as digits as its factorization.

80788349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 80788349 is about 8988.2339199645. The cubic root of 80788349 is about 432.2976861246.

The spelling of 80788349 in words is "eighty million, seven hundred eighty-eight thousand, three hundred forty-nine".