2678628346 has 16 divisors (see below), whose sum is σ = 4327884288. Its totient is φ = 1239757200.

The previous prime is 2678628319. The next prime is 2678628353. The reversal of 2678628346 is 6438268762.

It is a junction number, because it is equal to n+sod(n) for n = 2678628293 and 2678628302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937785 + ... + 940636.

It is an arithmetic number, because the mean of its divisors is an integer number (270492768).

Almost surely, 2^2678628346 is an apocalyptic number.

2678628346 is a deficient number, since it is larger than the sum of its proper divisors (1649255942).

2678628346 is a wasteful number, since it uses less digits than its factorization.

2678628346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878477.

The product of its digits is 4644864, while the sum is 52.

The square root of 2678628346 is about 51755.4668223561. The cubic root of 2678628346 is about 1388.7928974805.

The spelling of 2678628346 in words is "two billion, six hundred seventy-eight million, six hundred twenty-eight thousand, three hundred forty-six".