80386870393 has 2 divisors, whose sum is σ = 80386870394. Its totient is φ = 80386870392.

The previous prime is 80386870391. The next prime is 80386870409. The reversal of 80386870393 is 39307868308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76467734784 + 3919135609 = 276528^2 + 62603^2 .

It is a cyclic number.

It is not a de Polignac number, because 80386870393 - 2¹ = 80386870391 is a prime.

Together with 80386870391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (80386870391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40193435196 + 40193435197.

It is an arithmetic number, because the mean of its divisors is an integer number (40193435197).

Almost surely, 2^80386870393 is an apocalyptic number.

It is an amenable number.

80386870393 is a deficient number, since it is larger than the sum of its proper divisors (1).

80386870393 is an equidigital number, since it uses as much as digits as its factorization.

80386870393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 80386870393 in words is "eighty billion, three hundred eighty-six million, eight hundred seventy thousand, three hundred ninety-three".