342220832686787 has 2 divisors, whose sum is σ = 342220832686788. Its totient is φ = 342220832686786.

The previous prime is 342220832686783. The next prime is 342220832686813. The reversal of 342220832686787 is 787686238022243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342220832686787 - 2² = 342220832686783 is a prime.

It is not a weakly prime, because it can be changed into another prime (342220832686781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171110416343393 + 171110416343394.

It is an arithmetic number, because the mean of its divisors is an integer number (171110416343394).

Almost surely, 2^{342220832686787} is an apocalyptic number.

342220832686787 is a deficient number, since it is larger than the sum of its proper divisors (1).

342220832686787 is an equidigital number, since it uses as much as digits as its factorization.

342220832686787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 520224768, while the sum is 68.

The spelling of 342220832686787 in words is "three hundred forty-two trillion, two hundred twenty billion, eight hundred thirty-two million, six hundred eighty-six thousand, seven hundred eighty-seven".