348204977 has 2 divisors, whose sum is σ = 348204978. Its totient is φ = 348204976.

The previous prime is 348204959. The next prime is 348204979. The reversal of 348204977 is 779402843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206094736 + 142110241 = 14356^2 + 11921^2 .

It is a cyclic number.

It is not a de Polignac number, because 348204977 - 2¹⁰ = 348203953 is a prime.

Together with 348204979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (348204979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174102488 + 174102489.

It is an arithmetic number, because the mean of its divisors is an integer number (174102489).

Almost surely, 2^348204977 is an apocalyptic number.

It is an amenable number.

348204977 is a deficient number, since it is larger than the sum of its proper divisors (1).

348204977 is an equidigital number, since it uses as much as digits as its factorization.

348204977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 348204977 is about 18660.2512576868. The cubic root of 348204977 is about 703.5230397777.

The spelling of 348204977 in words is "three hundred forty-eight million, two hundred four thousand, nine hundred seventy-seven".