80934336454397 has 2 divisors, whose sum is σ = 80934336454398. Its totient is φ = 80934336454396.

The previous prime is 80934336454313. The next prime is 80934336454409. The reversal of 80934336454397 is 79345463343908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60986509696996 + 19947826757401 = 7809386^2 + 4466299^2 .

It is a cyclic number.

It is not a de Polignac number, because 80934336454397 - 2¹² = 80934336450301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80934336654397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40467168227198 + 40467168227199.

It is an arithmetic number, because the mean of its divisors is an integer number (40467168227199).

Almost surely, 2^{80934336454397} is an apocalyptic number.

It is an amenable number.

80934336454397 is a deficient number, since it is larger than the sum of its proper divisors (1).

80934336454397 is an equidigital number, since it uses as much as digits as its factorization.

80934336454397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705438720, while the sum is 68.

The spelling of 80934336454397 in words is "eighty trillion, nine hundred thirty-four billion, three hundred thirty-six million, four hundred fifty-four thousand, three hundred ninety-seven".