343344728857 has 32 divisors (see below), whose sum is σ = 394519932800. Its totient is φ = 296189457408.

The previous prime is 343344728827. The next prime is 343344728941. The reversal of 343344728857 is 758827443343.

It is a de Polignac number, because none of the positive numbers 2^k-343344728857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343344728827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5358433 + ... + 5422129.

It is an arithmetic number, because the mean of its divisors is an integer number (12328747900).

Almost surely, 2^343344728857 is an apocalyptic number.

It is an amenable number.

343344728857 is a deficient number, since it is larger than the sum of its proper divisors (51175203943).

343344728857 is a wasteful number, since it uses less digits than its factorization.

343344728857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64025.

The product of its digits is 54190080, while the sum is 58.

The spelling of 343344728857 in words is "three hundred forty-three billion, three hundred forty-four million, seven hundred twenty-eight thousand, eight hundred fifty-seven".