30777077 has 2 divisors, whose sum is σ = 30777078. Its totient is φ = 30777076.

The previous prime is 30777067. The next prime is 30777083. The reversal of 30777077 is 77077703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30316036 + 461041 = 5506^2 + 679^2 .

It is an emirp because it is prime and its reverse (77077703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30777077 - 2¹² = 30772981 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30777077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30777067) 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, 15388538 + 15388539.

It is an arithmetic number, because the mean of its divisors is an integer number (15388539).

Almost surely, 2^30777077 is an apocalyptic number.

It is an amenable number.

30777077 is a deficient number, since it is larger than the sum of its proper divisors (1).

30777077 is an equidigital number, since it uses as much as digits as its factorization.

30777077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50421, while the sum is 38.

The square root of 30777077 is about 5547.7091668544. The cubic root of 30777077 is about 313.3832573486.

The spelling of 30777077 in words is "thirty million, seven hundred seventy-seven thousand, seventy-seven".