2279313888 has 48 divisors (see below), whose sum is σ = 5986023120. Its totient is φ = 759412736.

The previous prime is 2279313887. The next prime is 2279313917. The reversal of 2279313888 is 8883139722.

2279313888 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2279313888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279313887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268168 + ... + 276536.

It is an arithmetic number, because the mean of its divisors is an integer number (124708815).

Almost surely, 2^2279313888 is an apocalyptic number.

It is an amenable number.

2279313888 is an abundant number, since it is smaller than the sum of its proper divisors (3706709232).

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

2279313888 is a wasteful number, since it uses less digits than its factorization.

2279313888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11219 (or 11211 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 2279313888 is about 47742.1604873512. The cubic root of 2279313888 is about 1316.0368365197.

The spelling of 2279313888 in words is "two billion, two hundred seventy-nine million, three hundred thirteen thousand, eight hundred eighty-eight".