29968902077 has 2 divisors, whose sum is σ = 29968902078. Its totient is φ = 29968902076.

The previous prime is 29968902049. The next prime is 29968902107. The reversal of 29968902077 is 77020986992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20258967556 + 9709934521 = 142334^2 + 98539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29968902077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29968902037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14984451038 + 14984451039.

It is an arithmetic number, because the mean of its divisors is an integer number (14984451039).

Almost surely, 2^29968902077 is an apocalyptic number.

It is an amenable number.

29968902077 is a deficient number, since it is larger than the sum of its proper divisors (1).

29968902077 is an equidigital number, since it uses as much as digits as its factorization.

29968902077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 29968902077 in words is "twenty-nine billion, nine hundred sixty-eight million, nine hundred two thousand, seventy-seven".