2678357706 has 8 divisors (see below), whose sum is σ = 5356715424. Its totient is φ = 892785900.

The previous prime is 2678357699. The next prime is 2678357707. The reversal of 2678357706 is 6077538762.

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

2678357706 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2678357707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223196470 + ... + 223196481.

It is an arithmetic number, because the mean of its divisors is an integer number (669589428).

Almost surely, 2^2678357706 is an apocalyptic number.

2678357706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2678357706 is a wasteful number, since it uses less digits than its factorization.

2678357706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446392956.

The product of its (nonzero) digits is 2963520, while the sum is 51.

The square root of 2678357706 is about 51752.8521532872. The cubic root of 2678357706 is about 1388.7461228481.

The spelling of 2678357706 in words is "two billion, six hundred seventy-eight million, three hundred fifty-seven thousand, seven hundred six".