80197801 has 2 divisors, whose sum is σ = 80197802. Its totient is φ = 80197800.

The previous prime is 80197781. The next prime is 80197813. The reversal of 80197801 is 10879108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80192025 + 5776 = 8955^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 80197801 - 2⁵ = 80197769 is a prime.

It is not a weakly prime, because it can be changed into another prime (80197501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40098900 + 40098901.

It is an arithmetic number, because the mean of its divisors is an integer number (40098901).

Almost surely, 2^80197801 is an apocalyptic number.

It is an amenable number.

80197801 is a deficient number, since it is larger than the sum of its proper divisors (1).

80197801 is an equidigital number, since it uses as much as digits as its factorization.

80197801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 80197801 is about 8955.3224955889. The cubic root of 80197801 is about 431.2417701713.

The spelling of 80197801 in words is "eighty million, one hundred ninety-seven thousand, eight hundred one".