342728816987 has 2 divisors, whose sum is σ = 342728816988. Its totient is φ = 342728816986.

The previous prime is 342728816951. The next prime is 342728816993. The reversal of 342728816987 is 789618827243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342728816987 - 2¹² = 342728812891 is a prime.

It is not a weakly prime, because it can be changed into another prime (342728819987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171364408493 + 171364408494.

It is an arithmetic number, because the mean of its divisors is an integer number (171364408494).

Almost surely, 2^342728816987 is an apocalyptic number.

342728816987 is a deficient number, since it is larger than the sum of its proper divisors (1).

342728816987 is an equidigital number, since it uses as much as digits as its factorization.

342728816987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65028096, while the sum is 65.

The spelling of 342728816987 in words is "three hundred forty-two billion, seven hundred twenty-eight million, eight hundred sixteen thousand, nine hundred eighty-seven".