5278178228 has 6 divisors (see below), whose sum is σ = 9236811906. Its totient is φ = 2639089112.

The previous prime is 5278178209. The next prime is 5278178249. The reversal of 5278178228 is 8228718725.

It can be written as a sum of positive squares in only one way, i.e., 4813861924 + 464316304 = 69382^2 + 21548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659772275 + ... + 659772282.

It is an arithmetic number, because the mean of its divisors is an integer number (1539468651).

Almost surely, 2^5278178228 is an apocalyptic number.

It is an amenable number.

5278178228 is a deficient number, since it is larger than the sum of its proper divisors (3958633678).

5278178228 is a wasteful number, since it uses less digits than its factorization.

5278178228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319544561 (or 1319544559 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 50.

The square root of 5278178228 is about 72651.0717608488. The cubic root of 5278178228 is about 1741.1172447719.

The spelling of 5278178228 in words is "five billion, two hundred seventy-eight million, one hundred seventy-eight thousand, two hundred twenty-eight".