80798401 has 2 divisors, whose sum is σ = 80798402. Its totient is φ = 80798400.

The previous prime is 80798363. The next prime is 80798423. The reversal of 80798401 is 10489708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57988225 + 22810176 = 7615^2 + 4776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80798401 is a prime.

It is not a weakly prime, because it can be changed into another prime (80798461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40399200 + 40399201.

It is an arithmetic number, because the mean of its divisors is an integer number (40399201).

Almost surely, 2^80798401 is an apocalyptic number.

It is an amenable number.

80798401 is a deficient number, since it is larger than the sum of its proper divisors (1).

80798401 is an equidigital number, since it uses as much as digits as its factorization.

80798401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 80798401 is about 8988.7930780500. The cubic root of 80798401 is about 432.3156147665.

The spelling of 80798401 in words is "eighty million, seven hundred ninety-eight thousand, four hundred one".