342111977 has 2 divisors, whose sum is σ = 342111978. Its totient is φ = 342111976.

The previous prime is 342111937. The next prime is 342111989. The reversal of 342111977 is 779111243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341103961 + 1008016 = 18469^2 + 1004^2 .

It is a cyclic number.

It is not a de Polignac number, because 342111977 - 2¹⁰ = 342110953 is a prime.

It is not a weakly prime, because it can be changed into another prime (342111937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171055988 + 171055989.

It is an arithmetic number, because the mean of its divisors is an integer number (171055989).

Almost surely, 2^342111977 is an apocalyptic number.

It is an amenable number.

342111977 is a deficient number, since it is larger than the sum of its proper divisors (1).

342111977 is an equidigital number, since it uses as much as digits as its factorization.

342111977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 35.

The square root of 342111977 is about 18496.2692724776. The cubic root of 342111977 is about 699.3953806363.

The spelling of 342111977 in words is "three hundred forty-two million, one hundred eleven thousand, nine hundred seventy-seven".