342875977 has 2 divisors, whose sum is σ = 342875978. Its totient is φ = 342875976.

The previous prime is 342875947. The next prime is 342875983. The reversal of 342875977 is 779578243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230918416 + 111957561 = 15196^2 + 10581^2 .

It is an emirp because it is prime and its reverse (779578243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342875977 - 2⁷ = 342875849 is a prime.

It is not a weakly prime, because it can be changed into another prime (342875947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171437988 + 171437989.

It is an arithmetic number, because the mean of its divisors is an integer number (171437989).

Almost surely, 2^342875977 is an apocalyptic number.

It is an amenable number.

342875977 is a deficient number, since it is larger than the sum of its proper divisors (1).

342875977 is an equidigital number, since it uses as much as digits as its factorization.

342875977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 52.

The square root of 342875977 is about 18516.9105684507. The cubic root of 342875977 is about 699.9156204414.

The spelling of 342875977 in words is "three hundred forty-two million, eight hundred seventy-five thousand, nine hundred seventy-seven".