342877747 has 2 divisors, whose sum is σ = 342877748. Its totient is φ = 342877746.

The previous prime is 342877739. The next prime is 342877753. The reversal of 342877747 is 747778243.

It is a strong prime.

It is an emirp because it is prime and its reverse (747778243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342877747 - 2³ = 342877739 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342877747.

It is not a weakly prime, because it can be changed into another prime (342877727) 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, 171438873 + 171438874.

It is an arithmetic number, because the mean of its divisors is an integer number (171438874).

Almost surely, 2^342877747 is an apocalyptic number.

342877747 is a deficient number, since it is larger than the sum of its proper divisors (1).

342877747 is an equidigital number, since it uses as much as digits as its factorization.

342877747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1843968, while the sum is 49.

The square root of 342877747 is about 18516.9583625389. The cubic root of 342877747 is about 699.9168248113.

The spelling of 342877747 in words is "three hundred forty-two million, eight hundred seventy-seven thousand, seven hundred forty-seven".