80556433 has 2 divisors, whose sum is σ = 80556434. Its totient is φ = 80556432.

The previous prime is 80556407. The next prime is 80556451. The reversal of 80556433 is 33465508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60949249 + 19607184 = 7807^2 + 4428^2 .

It is a cyclic number.

It is not a de Polignac number, because 80556433 - 2⁵ = 80556401 is a prime.

It is not a weakly prime, because it can be changed into another prime (80556473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40278216 + 40278217.

It is an arithmetic number, because the mean of its divisors is an integer number (40278217).

Almost surely, 2^80556433 is an apocalyptic number.

It is an amenable number.

80556433 is a deficient number, since it is larger than the sum of its proper divisors (1).

80556433 is an equidigital number, since it uses as much as digits as its factorization.

80556433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 80556433 is about 8975.3235596273. The cubic root of 80556433 is about 431.8836295636.

The spelling of 80556433 in words is "eighty million, five hundred fifty-six thousand, four hundred thirty-three".