30217196077 has 2 divisors, whose sum is σ = 30217196078. Its totient is φ = 30217196076.

The previous prime is 30217196071. The next prime is 30217196099. The reversal of 30217196077 is 77069171203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15337831716 + 14879364361 = 123846^2 + 121981^2 .

It is a cyclic number.

It is not a de Polignac number, because 30217196077 - 2¹⁹ = 30216671789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30217196071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15108598038 + 15108598039.

It is an arithmetic number, because the mean of its divisors is an integer number (15108598039).

Almost surely, 2^30217196077 is an apocalyptic number.

It is an amenable number.

30217196077 is a deficient number, since it is larger than the sum of its proper divisors (1).

30217196077 is an equidigital number, since it uses as much as digits as its factorization.

30217196077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 43.

The spelling of 30217196077 in words is "thirty billion, two hundred seventeen million, one hundred ninety-six thousand, seventy-seven".