80572838569 has 2 divisors, whose sum is σ = 80572838570. Its totient is φ = 80572838568.

The previous prime is 80572838531. The next prime is 80572838579. The reversal of 80572838569 is 96583827508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45317894400 + 35254944169 = 212880^2 + 187763^2 .

It is a cyclic number.

It is not a de Polignac number, because 80572838569 - 2²³ = 80564449961 is a prime.

It is a super-2 number, since 2×80572838569² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80572838579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40286419284 + 40286419285.

It is an arithmetic number, because the mean of its divisors is an integer number (40286419285).

Almost surely, 2^80572838569 is an apocalyptic number.

It is an amenable number.

80572838569 is a deficient number, since it is larger than the sum of its proper divisors (1).

80572838569 is an equidigital number, since it uses as much as digits as its factorization.

80572838569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 80572838569 in words is "eighty billion, five hundred seventy-two million, eight hundred thirty-eight thousand, five hundred sixty-nine".