80980057 has 2 divisors, whose sum is σ = 80980058. Its totient is φ = 80980056.

The previous prime is 80980007. The next prime is 80980073. The reversal of 80980057 is 75008908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61716736 + 19263321 = 7856^2 + 4389^2 .

It is a cyclic number.

It is not a de Polignac number, because 80980057 - 2¹⁹ = 80455769 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80979998 and 80980025.

It is not a weakly prime, because it can be changed into another prime (80980007) 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, 40490028 + 40490029.

It is an arithmetic number, because the mean of its divisors is an integer number (40490029).

Almost surely, 2^80980057 is an apocalyptic number.

It is an amenable number.

80980057 is a deficient number, since it is larger than the sum of its proper divisors (1).

80980057 is an equidigital number, since it uses as much as digits as its factorization.

80980057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 80980057 is about 8998.8919873504. The cubic root of 80980057 is about 432.6393585687.

The spelling of 80980057 in words is "eighty million, nine hundred eighty thousand, fifty-seven".