80589557 has 2 divisors, whose sum is σ = 80589558. Its totient is φ = 80589556.

The previous prime is 80589533. The next prime is 80589599. The reversal of 80589557 is 75598508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78251716 + 2337841 = 8846^2 + 1529^2 .

It is a cyclic number.

It is not a de Polignac number, because 80589557 - 2¹⁰ = 80588533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80589517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40294778 + 40294779.

It is an arithmetic number, because the mean of its divisors is an integer number (40294779).

Almost surely, 2^80589557 is an apocalyptic number.

It is an amenable number.

80589557 is a deficient number, since it is larger than the sum of its proper divisors (1).

80589557 is an equidigital number, since it uses as much as digits as its factorization.

80589557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 47.

The square root of 80589557 is about 8977.1686516407. The cubic root of 80589557 is about 431.9428168624.

The spelling of 80589557 in words is "eighty million, five hundred eighty-nine thousand, five hundred fifty-seven".