2279448678 has 24 divisors (see below), whose sum is σ = 4936559688. Its totient is φ = 701368512.

The previous prime is 2279448673. The next prime is 2279448697. The reversal of 2279448678 is 8768449722.

It is a happy number.

2279448678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279448673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122975 + ... + 1125002.

It is an arithmetic number, because the mean of its divisors is an integer number (205689987).

Almost surely, 2^2279448678 is an apocalyptic number.

2279448678 is an abundant number, since it is smaller than the sum of its proper divisors (2657111010).

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

2279448678 is a wasteful number, since it uses less digits than its factorization.

2279448678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248008 (or 2247995 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 57.

The square root of 2279448678 is about 47743.5721118561. The cubic root of 2279448678 is about 1316.0627778215.

The spelling of 2279448678 in words is "two billion, two hundred seventy-nine million, four hundred forty-eight thousand, six hundred seventy-eight".