5778378 has 40 divisors (see below), whose sum is σ = 13211748. Its totient is φ = 1886976.

The previous prime is 5778371. The next prime is 5778391. The reversal of 5778378 is 8738775.

5778378 is a `hidden beast` number, since 577 + 8 + 3 + 78 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5774409 + 3969 = 2403^2 + 63^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5778371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8250 + ... + 8922.

Almost surely, 2^5778378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5778378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6605874).

5778378 is an abundant number, since it is smaller than the sum of its proper divisors (7433370).

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

5778378 is a wasteful number, since it uses less digits than its factorization.

5778378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 731 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

The square root of 5778378 is about 2403.8257008361. The cubic root of 5778378 is about 179.4466338874.

The spelling of 5778378 in words is "five million, seven hundred seventy-eight thousand, three hundred seventy-eight".