5627778 has 32 divisors (see below), whose sum is σ = 12652416. Its totient is φ = 1655808.

The previous prime is 5627777. The next prime is 5627803. The reversal of 5627778 is 8777265.

It is not an unprimeable number, because it can be changed into a prime (5627773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226 + ... + 3362.

It is an arithmetic number, because the mean of its divisors is an integer number (395388).

Almost surely, 2^5627778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5627778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6326208).

5627778 is an abundant number, since it is smaller than the sum of its proper divisors (7024638).

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

5627778 is a wasteful number, since it uses less digits than its factorization.

5627778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178.

The product of its digits is 164640, while the sum is 42.

The square root of 5627778 is about 2372.2938266581. The cubic root of 5627778 is about 177.8739375901.

The spelling of 5627778 in words is "five million, six hundred twenty-seven thousand, seven hundred seventy-eight".