2278678008 has 16 divisors (see below), whose sum is σ = 5696695080. Its totient is φ = 759559328.

The previous prime is 2278678007. The next prime is 2278678019. The reversal of 2278678008 is 8008768722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278678007) 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, 47472435 + ... + 47472482.

Almost surely, 2^2278678008 is an apocalyptic number.

It is an amenable number.

2278678008 is an abundant number, since it is smaller than the sum of its proper divisors (3418017072).

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

2278678008 is a wasteful number, since it uses less digits than its factorization.

2278678008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94944926 (or 94944922 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 2278678008 is about 47735.5005001519. The cubic root of 2278678008 is about 1315.9144430602.

The spelling of 2278678008 in words is "two billion, two hundred seventy-eight million, six hundred seventy-eight thousand, eight".