348621068977 has 2 divisors, whose sum is σ = 348621068978. Its totient is φ = 348621068976.

The previous prime is 348621068921. The next prime is 348621068981. The reversal of 348621068977 is 779860126843.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345049333281 + 3571735696 = 587409^2 + 59764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348621068977 is a prime.

It is not a weakly prime, because it can be changed into another prime (348621078977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174310534488 + 174310534489.

It is an arithmetic number, because the mean of its divisors is an integer number (174310534489).

Almost surely, 2^348621068977 is an apocalyptic number.

It is an amenable number.

348621068977 is a deficient number, since it is larger than the sum of its proper divisors (1).

348621068977 is an equidigital number, since it uses as much as digits as its factorization.

348621068977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 348621068977 in words is "three hundred forty-eight billion, six hundred twenty-one million, sixty-eight thousand, nine hundred seventy-seven".