342879811 has 2 divisors, whose sum is σ = 342879812. Its totient is φ = 342879810.

The previous prime is 342879799. The next prime is 342879821. The reversal of 342879811 is 118978243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342879811 - 2¹⁹ = 342355523 is a prime.

It is not a weakly prime, because it can be changed into another prime (342879821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171439905 + 171439906.

It is an arithmetic number, because the mean of its divisors is an integer number (171439906).

Almost surely, 2^342879811 is an apocalyptic number.

342879811 is a deficient number, since it is larger than the sum of its proper divisors (1).

342879811 is an equidigital number, since it uses as much as digits as its factorization.

342879811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 342879811 is about 18517.0140951504. The cubic root of 342879811 is about 699.9182292238.

The spelling of 342879811 in words is "three hundred forty-two million, eight hundred seventy-nine thousand, eight hundred eleven".