342142777 has 2 divisors, whose sum is σ = 342142778. Its totient is φ = 342142776.

The previous prime is 342142771. The next prime is 342142793. The reversal of 342142777 is 777241243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282374416 + 59768361 = 16804^2 + 7731^2 .

It is a cyclic number.

It is not a de Polignac number, because 342142777 - 2³ = 342142769 is a prime.

It is equal to p_18403867 and since 342142777 and 18403867 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (342142771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171071388 + 171071389.

It is an arithmetic number, because the mean of its divisors is an integer number (171071389).

Almost surely, 2^342142777 is an apocalyptic number.

It is an amenable number.

342142777 is a deficient number, since it is larger than the sum of its proper divisors (1).

342142777 is an equidigital number, since it uses as much as digits as its factorization.

342142777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 37.

The square root of 342142777 is about 18497.1018540743. The cubic root of 342142777 is about 699.4163686293.

The spelling of 342142777 in words is "three hundred forty-two million, one hundred forty-two thousand, seven hundred seventy-seven".