346878314312 has 64 divisors (see below), whose sum is σ = 675263163120. Its totient is φ = 166912524288.

The previous prime is 346878314311. The next prime is 346878314347. The reversal of 346878314312 is 213413878643.

It can be written as a sum of positive squares in 8 ways, for example, as 26664930436 + 320213383876 = 163294^2 + 565874^2 .

It is not an unprimeable number, because it can be changed into a prime (346878314311) 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, 76859768 + ... + 76864280.

Almost surely, 2^346878314312 is an apocalyptic number.

It is an amenable number.

346878314312 is a deficient number, since it is larger than the sum of its proper divisors (328384848808).

346878314312 is a wasteful number, since it uses less digits than its factorization.

346878314312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7330 (or 7326 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 50.

The spelling of 346878314312 in words is "three hundred forty-six billion, eight hundred seventy-eight million, three hundred fourteen thousand, three hundred twelve".