342877903 has 2 divisors, whose sum is σ = 342877904. Its totient is φ = 342877902.

The previous prime is 342877883. The next prime is 342877919. The reversal of 342877903 is 309778243.

It is a strong prime.

It is an emirp because it is prime and its reverse (309778243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342877903 - 2²⁵ = 309323471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342877903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342877943) 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, 171438951 + 171438952.

It is an arithmetic number, because the mean of its divisors is an integer number (171438952).

Almost surely, 2^342877903 is an apocalyptic number.

342877903 is a deficient number, since it is larger than the sum of its proper divisors (1).

342877903 is an equidigital number, since it uses as much as digits as its factorization.

342877903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 342877903 is about 18516.9625748933. The cubic root of 342877903 is about 699.9169309589.

The spelling of 342877903 in words is "three hundred forty-two million, eight hundred seventy-seven thousand, nine hundred three".