80603893 has 2 divisors, whose sum is σ = 80603894. Its totient is φ = 80603892.

The previous prime is 80603869. The next prime is 80603911. The reversal of 80603893 is 39830608.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74338884 + 6265009 = 8622^2 + 2503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80603893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80603863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40301946 + 40301947.

It is an arithmetic number, because the mean of its divisors is an integer number (40301947).

Almost surely, 2^80603893 is an apocalyptic number.

It is an amenable number.

80603893 is a deficient number, since it is larger than the sum of its proper divisors (1).

80603893 is an equidigital number, since it uses as much as digits as its factorization.

80603893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 80603893 is about 8977.9670861504. The cubic root of 80603893 is about 431.9684279767.

The spelling of 80603893 in words is "eighty million, six hundred three thousand, eight hundred ninety-three".