80162689 has 2 divisors, whose sum is σ = 80162690. Its totient is φ = 80162688.

The previous prime is 80162681. The next prime is 80162711. The reversal of 80162689 is 98626108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50296464 + 29866225 = 7092^2 + 5465^2 .

It is a cyclic number.

It is not a de Polignac number, because 80162689 - 2³ = 80162681 is a prime.

It is not a weakly prime, because it can be changed into another prime (80162681) 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, 40081344 + 40081345.

It is an arithmetic number, because the mean of its divisors is an integer number (40081345).

Almost surely, 2^80162689 is an apocalyptic number.

It is an amenable number.

80162689 is a deficient number, since it is larger than the sum of its proper divisors (1).

80162689 is an equidigital number, since it uses as much as digits as its factorization.

80162689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 80162689 is about 8953.3618825556. The cubic root of 80162689 is about 431.1788259211.

The spelling of 80162689 in words is "eighty million, one hundred sixty-two thousand, six hundred eighty-nine".