1128768378 has 32 divisors (see below), whose sum is σ = 2479680000. Its totient is φ = 340954416.

The previous prime is 1128768371. The next prime is 1128768383. The reversal of 1128768378 is 8738678211.

1128768378 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1128768378.

It is not an unprimeable number, because it can be changed into a prime (1128768371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212628 + ... + 217871.

It is an arithmetic number, because the mean of its divisors is an integer number (77490000).

Almost surely, 2^1128768378 is an apocalyptic number.

1128768378 is an abundant number, since it is smaller than the sum of its proper divisors (1350911622).

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

1128768378 is a wasteful number, since it uses less digits than its factorization.

1128768378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430546.

The product of its digits is 903168, while the sum is 51.

The square root of 1128768378 is about 33597.1483611333. The cubic root of 1128768378 is about 1041.2018828138.

The spelling of 1128768378 in words is "one billion, one hundred twenty-eight million, seven hundred sixty-eight thousand, three hundred seventy-eight".