80572567 has 2 divisors, whose sum is σ = 80572568. Its totient is φ = 80572566.

The previous prime is 80572549. The next prime is 80572589. The reversal of 80572567 is 76527508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80572567 - 2⁷ = 80572439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80572507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40286283 + 40286284.

It is an arithmetic number, because the mean of its divisors is an integer number (40286284).

Almost surely, 2^80572567 is an apocalyptic number.

80572567 is a deficient number, since it is larger than the sum of its proper divisors (1).

80572567 is an equidigital number, since it uses as much as digits as its factorization.

80572567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 80572567 is about 8976.2223123093. Note that the first 3 decimals coincide. The cubic root of 80572567 is about 431.9124604717.

The spelling of 80572567 in words is "eighty million, five hundred seventy-two thousand, five hundred sixty-seven".