5778278 has 8 divisors (see below), whose sum is σ = 9455400. Its totient is φ = 2626480.

The previous prime is 5778277. The next prime is 5778287. The reversal of 5778278 is 8728775.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5778277) 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 3 ways as a sum of consecutive naturals, for example, 131303 + ... + 131346.

It is an arithmetic number, because the mean of its divisors is an integer number (1181925).

Almost surely, 2^5778278 is an apocalyptic number.

5778278 is a deficient number, since it is larger than the sum of its proper divisors (3677122).

5778278 is a wasteful number, since it uses less digits than its factorization.

5778278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262662.

The product of its digits is 219520, while the sum is 44.

The square root of 5778278 is about 2403.8049005691. The cubic root of 5778278 is about 179.4455987200.

The spelling of 5778278 in words is "five million, seven hundred seventy-eight thousand, two hundred seventy-eight".