80413854617 has 2 divisors, whose sum is σ = 80413854618. Its totient is φ = 80413854616.

The previous prime is 80413854611. The next prime is 80413854683. The reversal of 80413854617 is 71645831408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58233411856 + 22180442761 = 241316^2 + 148931^2 .

It is a cyclic number.

It is not a de Polignac number, because 80413854617 - 2¹⁰ = 80413853593 is a prime.

It is not a weakly prime, because it can be changed into another prime (80413854611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40206927308 + 40206927309.

It is an arithmetic number, because the mean of its divisors is an integer number (40206927309).

Almost surely, 2^80413854617 is an apocalyptic number.

It is an amenable number.

80413854617 is a deficient number, since it is larger than the sum of its proper divisors (1).

80413854617 is an equidigital number, since it uses as much as digits as its factorization.

80413854617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 80413854617 in words is "eighty billion, four hundred thirteen million, eight hundred fifty-four thousand, six hundred seventeen".