342212620877 has 2 divisors, whose sum is σ = 342212620878. Its totient is φ = 342212620876.

The previous prime is 342212620793. The next prime is 342212620879. The reversal of 342212620877 is 778026212243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173165009161 + 169047611716 = 416131^2 + 411154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342212620877 is a prime.

Together with 342212620879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342212620879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171106310438 + 171106310439.

It is an arithmetic number, because the mean of its divisors is an integer number (171106310439).

Almost surely, 2^342212620877 is an apocalyptic number.

It is an amenable number.

342212620877 is a deficient number, since it is larger than the sum of its proper divisors (1).

342212620877 is an equidigital number, since it uses as much as digits as its factorization.

342212620877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 342212620877 in words is "three hundred forty-two billion, two hundred twelve million, six hundred twenty thousand, eight hundred seventy-seven".