342134777 has 2 divisors, whose sum is σ = 342134778. Its totient is φ = 342134776.

The previous prime is 342134753. The next prime is 342134797. The reversal of 342134777 is 777431243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342102016 + 32761 = 18496^2 + 181^2 .

It is an emirp because it is prime and its reverse (777431243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342134777 - 2¹⁶ = 342069241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342134777.

It is not a weakly prime, because it can be changed into another prime (342134717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171067388 + 171067389.

It is an arithmetic number, because the mean of its divisors is an integer number (171067389).

Almost surely, 2^342134777 is an apocalyptic number.

It is an amenable number.

342134777 is a deficient number, since it is larger than the sum of its proper divisors (1).

342134777 is an equidigital number, since it uses as much as digits as its factorization.

342134777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 38.

The square root of 342134777 is about 18496.8856027170. The cubic root of 342134777 is about 699.4109173237.

The spelling of 342134777 in words is "three hundred forty-two million, one hundred thirty-four thousand, seven hundred seventy-seven".