345400847738 has 8 divisors (see below), whose sum is σ = 518195471220. Its totient is φ = 172669024000.

The previous prime is 345400847681. The next prime is 345400847741. The reversal of 345400847738 is 837748004543.

It can be written as a sum of positive squares in 2 ways, for example, as 344671145569 + 729702169 = 587087^2 + 27013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 345400847738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15686183 + ... + 15708186.

Almost surely, 2^345400847738 is an apocalyptic number.

345400847738 is a deficient number, since it is larger than the sum of its proper divisors (172794623482).

345400847738 is a wasteful number, since it uses less digits than its factorization.

345400847738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31399872.

The product of its (nonzero) digits is 9031680, while the sum is 53.

The spelling of 345400847738 in words is "three hundred forty-five billion, four hundred million, eight hundred forty-seven thousand, seven hundred thirty-eight".