80844009607 has 2 divisors, whose sum is σ = 80844009608. Its totient is φ = 80844009606.

The previous prime is 80844009583. The next prime is 80844009611. The reversal of 80844009607 is 70690044808.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80844009607 - 2¹⁹ = 80843485319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80844009907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40422004803 + 40422004804.

It is an arithmetic number, because the mean of its divisors is an integer number (40422004804).

Almost surely, 2^80844009607 is an apocalyptic number.

80844009607 is a deficient number, since it is larger than the sum of its proper divisors (1).

80844009607 is an equidigital number, since it uses as much as digits as its factorization.

80844009607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 80844009607 in words is "eighty billion, eight hundred forty-four million, nine thousand, six hundred seven".