2678578226 has 8 divisors (see below), whose sum is σ = 4019179824. Its totient is φ = 1338851620.

The previous prime is 2678578223. The next prime is 2678578247. The reversal of 2678578226 is 6228758762.

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

It is not an unprimeable number, because it can be changed into a prime (2678578223) 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, 211040 + ... + 223371.

It is an arithmetic number, because the mean of its divisors is an integer number (502397478).

Almost surely, 2^2678578226 is an apocalyptic number.

2678578226 is a deficient number, since it is larger than the sum of its proper divisors (1340601598).

2678578226 is a wasteful number, since it uses less digits than its factorization.

2678578226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437496.

The product of its digits is 4515840, while the sum is 53.

The square root of 2678578226 is about 51754.9826200338. The cubic root of 2678578226 is about 1388.7842354932.

The spelling of 2678578226 in words is "two billion, six hundred seventy-eight million, five hundred seventy-eight thousand, two hundred twenty-six".