30800027 has 2 divisors, whose sum is σ = 30800028. Its totient is φ = 30800026.

The previous prime is 30800017. The next prime is 30800069. The reversal of 30800027 is 72000803.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30800027 - 2¹⁶ = 30734491 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30799981 and 30800008.

It is not a weakly prime, because it can be changed into another prime (30800017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15400013 + 15400014.

It is an arithmetic number, because the mean of its divisors is an integer number (15400014).

Almost surely, 2^30800027 is an apocalyptic number.

30800027 is a deficient number, since it is larger than the sum of its proper divisors (1).

30800027 is an equidigital number, since it uses as much as digits as its factorization.

30800027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 30800027 is about 5549.7772027353. Note that the first 3 decimals coincide. The cubic root of 30800027 is about 313.4611330439.

The spelling of 30800027 in words is "thirty million, eight hundred thousand, twenty-seven".