5668447178 has 4 divisors (see below), whose sum is σ = 8502670770. Its totient is φ = 2834223588.

The previous prime is 5668447117. The next prime is 5668447189. The reversal of 5668447178 is 8717448665.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5556658849 + 111788329 = 74543^2 + 10573^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1417111793 + ... + 1417111796.

Almost surely, 2^5668447178 is an apocalyptic number.

5668447178 is a deficient number, since it is larger than the sum of its proper divisors (2834223592).

5668447178 is a wasteful number, since it uses less digits than its factorization.

5668447178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834223591.

The product of its digits is 9031680, while the sum is 56.

The square root of 5668447178 is about 75289.0906971256. The cubic root of 5668447178 is about 1783.0137869668.

The spelling of 5668447178 in words is "five billion, six hundred sixty-eight million, four hundred forty-seven thousand, one hundred seventy-eight".