342829777 has 2 divisors, whose sum is σ = 342829778. Its totient is φ = 342829776.

The previous prime is 342829733. The next prime is 342829843. The reversal of 342829777 is 777928243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172370641 + 170459136 = 13129^2 + 13056^2 .

It is a cyclic number.

It is not a de Polignac number, because 342829777 - 2⁷ = 342829649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342829777.

It is not a weakly prime, because it can be changed into another prime (342869777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171414888 + 171414889.

It is an arithmetic number, because the mean of its divisors is an integer number (171414889).

Almost surely, 2^342829777 is an apocalyptic number.

It is an amenable number.

342829777 is a deficient number, since it is larger than the sum of its proper divisors (1).

342829777 is an equidigital number, since it uses as much as digits as its factorization.

342829777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 49.

The square root of 342829777 is about 18515.6630181044. The cubic root of 342829777 is about 699.8841828796.

The spelling of 342829777 in words is "three hundred forty-two million, eight hundred twenty-nine thousand, seven hundred seventy-seven".