60800809 has 2 divisors, whose sum is σ = 60800810. Its totient is φ = 60800808.

The previous prime is 60800807. The next prime is 60800819. The reversal of 60800809 is 90800806.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30858025 + 29942784 = 5555^2 + 5472^2 .

It is a cyclic number.

It is not a de Polignac number, because 60800809 - 2¹ = 60800807 is a prime.

Together with 60800807, it forms a pair of twin primes.

60800809 is a strobogrammatic number because it is the same when read upside-down.

It is not a weakly prime, because it can be changed into another prime (60800801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30400404 + 30400405.

It is an arithmetic number, because the mean of its divisors is an integer number (30400405).

Almost surely, 2^60800809 is an apocalyptic number.

It is an amenable number.

60800809 is a deficient number, since it is larger than the sum of its proper divisors (1).

60800809 is an equidigital number, since it uses as much as digits as its factorization.

60800809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 60800809 is about 7797.4873517050. The cubic root of 60800809 is about 393.2207730360.

The spelling of 60800809 in words is "sixty million, eight hundred thousand, eight hundred nine".