2277378390 has 96 divisors (see below), whose sum is σ = 6369801984. Its totient is φ = 519583680.

The previous prime is 2277378329. The next prime is 2277378409. The reversal of 2277378390 is 938737722.

2277378390 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 an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1067625 + ... + 1069755.

It is an arithmetic number, because the mean of its divisors is an integer number (66352104).

Almost surely, 2^2277378390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2277378390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3184900992).

2277378390 is an abundant number, since it is smaller than the sum of its proper divisors (4092423594).

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

2277378390 is a wasteful number, since it uses less digits than its factorization.

2277378390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882 (or 2875 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 48.

The square root of 2277378390 is about 47721.8858596347. The cubic root of 2277378390 is about 1315.6642232219.

The spelling of 2277378390 in words is "two billion, two hundred seventy-seven million, three hundred seventy-eight thousand, three hundred ninety".