80009760989 has 2 divisors, whose sum is σ = 80009760990. Its totient is φ = 80009760988.

The previous prime is 80009760977. The next prime is 80009760991. The reversal of 80009760989 is 98906790008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43715700889 + 36294060100 = 209083^2 + 190510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80009760989 is a prime.

Together with 80009760991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80009760289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40004880494 + 40004880495.

It is an arithmetic number, because the mean of its divisors is an integer number (40004880495).

Almost surely, 2^80009760989 is an apocalyptic number.

It is an amenable number.

80009760989 is a deficient number, since it is larger than the sum of its proper divisors (1).

80009760989 is an equidigital number, since it uses as much as digits as its factorization.

80009760989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The spelling of 80009760989 in words is "eighty billion, nine million, seven hundred sixty thousand, nine hundred eighty-nine".