80408617 has 2 divisors, whose sum is σ = 80408618. Its totient is φ = 80408616.

The previous prime is 80408611. The next prime is 80408687. The reversal of 80408617 is 71680408.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64256256 + 16152361 = 8016^2 + 4019^2 .

It is a cyclic number.

It is not a de Polignac number, because 80408617 - 2³ = 80408609 is a prime.

It is a super-3 number, since 3×80408617³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (80408611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40204308 + 40204309.

It is an arithmetic number, because the mean of its divisors is an integer number (40204309).

Almost surely, 2^80408617 is an apocalyptic number.

It is an amenable number.

80408617 is a deficient number, since it is larger than the sum of its proper divisors (1).

80408617 is an equidigital number, since it uses as much as digits as its factorization.

80408617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 80408617 is about 8967.0852008889. The cubic root of 80408617 is about 431.6193080393.

The spelling of 80408617 in words is "eighty million, four hundred eight thousand, six hundred seventeen".