30980077 has 2 divisors, whose sum is σ = 30980078. Its totient is φ = 30980076.

The previous prime is 30980039. The next prime is 30980083. The reversal of 30980077 is 77008903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29800681 + 1179396 = 5459^2 + 1086^2 .

It is an emirp because it is prime and its reverse (77008903) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30980077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30980017) 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, 15490038 + 15490039.

It is an arithmetic number, because the mean of its divisors is an integer number (15490039).

Almost surely, 2^30980077 is an apocalyptic number.

It is an amenable number.

30980077 is a deficient number, since it is larger than the sum of its proper divisors (1).

30980077 is an equidigital number, since it uses as much as digits as its factorization.

30980077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 30980077 is about 5565.9749370618. The cubic root of 30980077 is about 314.0707543370.

The spelling of 30980077 in words is "thirty million, nine hundred eighty thousand, seventy-seven".