346252215677 has 2 divisors, whose sum is σ = 346252215678. Its totient is φ = 346252215676.

The previous prime is 346252215643. The next prime is 346252215679. The reversal of 346252215677 is 776512252643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296835370276 + 49416845401 = 544826^2 + 222299^2 .

It is a cyclic number.

It is not a de Polignac number, because 346252215677 - 2³⁶ = 277532738941 is a prime.

It is a super-2 number, since 2×346252215677² (a number of 24 digits) contains 22 as substring.

Together with 346252215679, 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 (346252215679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173126107838 + 173126107839.

It is an arithmetic number, because the mean of its divisors is an integer number (173126107839).

Almost surely, 2^346252215677 is an apocalyptic number.

It is an amenable number.

346252215677 is a deficient number, since it is larger than the sum of its proper divisors (1).

346252215677 is an equidigital number, since it uses as much as digits as its factorization.

346252215677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 50.

The spelling of 346252215677 in words is "three hundred forty-six billion, two hundred fifty-two million, two hundred fifteen thousand, six hundred seventy-seven".