348302227657 has 4 divisors (see below), whose sum is σ = 348304050640. Its totient is φ = 348300404676.

The previous prime is 348302227631. The next prime is 348302227681. The reversal of 348302227657 is 756722203843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 348302227657 - 2²⁷ = 348168009929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 348302227657.

It is not an unprimeable number, because it can be changed into a prime (348302227057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586203 + ... + 1019920.

It is an arithmetic number, because the mean of its divisors is an integer number (87076012660).

Almost surely, 2^348302227657 is an apocalyptic number.

It is an amenable number.

348302227657 is a deficient number, since it is larger than the sum of its proper divisors (1822983).

348302227657 is a wasteful number, since it uses less digits than its factorization.

348302227657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822982.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 348302227657 in words is "three hundred forty-eight billion, three hundred two million, two hundred twenty-seven thousand, six hundred fifty-seven".