528027778028 has 6 divisors (see below), whose sum is σ = 924048611556. Its totient is φ = 264013889012.

The previous prime is 528027777997. The next prime is 528027778127. The reversal of 528027778028 is 820877720825.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66003472250 + ... + 66003472257.

It is an arithmetic number, because the mean of its divisors is an integer number (154008101926).

Almost surely, 2^528027778028 is an apocalyptic number.

It is an amenable number.

528027778028 is a deficient number, since it is larger than the sum of its proper divisors (396020833528).

528027778028 is a wasteful number, since it uses less digits than its factorization.

528027778028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132006944511 (or 132006944509 counting only the distinct ones).

The product of its (nonzero) digits is 7024640, while the sum is 56.

The spelling of 528027778028 in words is "five hundred twenty-eight billion, twenty-seven million, seven hundred seventy-eight thousand, twenty-eight".