345677233277 has 2 divisors, whose sum is σ = 345677233278. Its totient is φ = 345677233276.

The previous prime is 345677233169. The next prime is 345677233331. The reversal of 345677233277 is 772332776543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344910718681 + 766514596 = 587291^2 + 27686^2 .

It is a cyclic number.

It is not a de Polignac number, because 345677233277 - 2²⁰ = 345676184701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345677230277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172838616638 + 172838616639.

It is an arithmetic number, because the mean of its divisors is an integer number (172838616639).

Almost surely, 2^345677233277 is an apocalyptic number.

It is an amenable number.

345677233277 is a deficient number, since it is larger than the sum of its proper divisors (1).

345677233277 is an equidigital number, since it uses as much as digits as its factorization.

345677233277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31116960, while the sum is 56.

The spelling of 345677233277 in words is "three hundred forty-five billion, six hundred seventy-seven million, two hundred thirty-three thousand, two hundred seventy-seven".