348279677 has 2 divisors, whose sum is σ = 348279678. Its totient is φ = 348279676.

The previous prime is 348279641. The next prime is 348279689. The reversal of 348279677 is 776972843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343212676 + 5067001 = 18526^2 + 2251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348279677 is a prime.

It is a super-2 number, since 2×348279677² = 242597466822448658, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348279077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174139838 + 174139839.

It is an arithmetic number, because the mean of its divisors is an integer number (174139839).

Almost surely, 2^348279677 is an apocalyptic number.

It is an amenable number.

348279677 is a deficient number, since it is larger than the sum of its proper divisors (1).

348279677 is an equidigital number, since it uses as much as digits as its factorization.

348279677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224, while the sum is 53.

The square root of 348279677 is about 18662.2527311148. The cubic root of 348279677 is about 703.5733448345.

The spelling of 348279677 in words is "three hundred forty-eight million, two hundred seventy-nine thousand, six hundred seventy-seven".