345680768678 has 32 divisors (see below), whose sum is σ = 611805339648. Its totient is φ = 143347932000.

The previous prime is 345680768677. The next prime is 345680768791. The reversal of 345680768678 is 876867086543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345680768677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2944403 + ... + 3059553.

It is an arithmetic number, because the mean of its divisors is an integer number (19118916864).

Almost surely, 2^345680768678 is an apocalyptic number.

345680768678 is a deficient number, since it is larger than the sum of its proper divisors (266124570970).

345680768678 is a wasteful number, since it uses less digits than its factorization.

345680768678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122108.

The product of its (nonzero) digits is 325140480, while the sum is 68.

The spelling of 345680768678 in words is "three hundred forty-five billion, six hundred eighty million, seven hundred sixty-eight thousand, six hundred seventy-eight".