30122676991877 has 2 divisors, whose sum is σ = 30122676991878. Its totient is φ = 30122676991876.

The previous prime is 30122676991871. The next prime is 30122676991969. The reversal of 30122676991877 is 77819967622103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24195370616641 + 5927306375236 = 4918879^2 + 2434606^2 .

It is a cyclic number.

It is not a de Polignac number, because 30122676991877 - 2⁴ = 30122676991861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30122676991871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061338495938 + 15061338495939.

It is an arithmetic number, because the mean of its divisors is an integer number (15061338495939).

Almost surely, 2^{30122676991877} is an apocalyptic number.

It is an amenable number.

30122676991877 is a deficient number, since it is larger than the sum of its proper divisors (1).

30122676991877 is an equidigital number, since it uses as much as digits as its factorization.

30122676991877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96018048, while the sum is 68.

The spelling of 30122676991877 in words is "thirty trillion, one hundred twenty-two billion, six hundred seventy-six million, nine hundred ninety-one thousand, eight hundred seventy-seven".