2279367378 has 80 divisors (see below), whose sum is σ = 5432106240. Its totient is φ = 711897984.

The previous prime is 2279367359. The next prime is 2279367383. The reversal of 2279367378 is 8737639722.

2279367378 is a `hidden beast` number, since 2 + 279 + 367 + 3 + 7 + 8 = 666.

2279367378 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 Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 656475 + ... + 659937.

It is an arithmetic number, because the mean of its divisors is an integer number (67901328).

Almost surely, 2^2279367378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2279367378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2716053120).

2279367378 is an abundant number, since it is smaller than the sum of its proper divisors (3152738862).

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

2279367378 is a wasteful number, since it uses less digits than its factorization.

2279367378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733 (or 3724 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 2279367378 is about 47742.7206807488. The cubic root of 2279367378 is about 1316.0471311760.

The spelling of 2279367378 in words is "two billion, two hundred seventy-nine million, three hundred sixty-seven thousand, three hundred seventy-eight".