34230987787 has 2 divisors, whose sum is σ = 34230987788. Its totient is φ = 34230987786.

The previous prime is 34230987779. The next prime is 34230987811. The reversal of 34230987787 is 78778903243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34230987787 - 2³ = 34230987779 is a prime.

It is not a weakly prime, because it can be changed into another prime (34230987887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17115493893 + 17115493894.

It is an arithmetic number, because the mean of its divisors is an integer number (17115493894).

Almost surely, 2^34230987787 is an apocalyptic number.

34230987787 is a deficient number, since it is larger than the sum of its proper divisors (1).

34230987787 is an equidigital number, since it uses as much as digits as its factorization.

34230987787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 34230987787 in words is "thirty-four billion, two hundred thirty million, nine hundred eighty-seven thousand, seven hundred eighty-seven".