80530577 has 2 divisors, whose sum is σ = 80530578. Its totient is φ = 80530576.

The previous prime is 80530511. The next prime is 80530603. The reversal of 80530577 is 77503508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80442961 + 87616 = 8969^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 80530577 - 2⁸ = 80530321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80530277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40265288 + 40265289.

It is an arithmetic number, because the mean of its divisors is an integer number (40265289).

Almost surely, 2^80530577 is an apocalyptic number.

It is an amenable number.

80530577 is a deficient number, since it is larger than the sum of its proper divisors (1).

80530577 is an equidigital number, since it uses as much as digits as its factorization.

80530577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 80530577 is about 8973.8830502743. The cubic root of 80530577 is about 431.8374177440.

The spelling of 80530577 in words is "eighty million, five hundred thirty thousand, five hundred seventy-seven".