28632018572 has 6 divisors (see below), whose sum is σ = 50106032508. Its totient is φ = 14316009284.

The previous prime is 28632018563. The next prime is 28632018601. The reversal of 28632018572 is 27581023682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3579002318 + ... + 3579002325.

It is an arithmetic number, because the mean of its divisors is an integer number (8351005418).

Almost surely, 2^28632018572 is an apocalyptic number.

It is an amenable number.

28632018572 is a deficient number, since it is larger than the sum of its proper divisors (21474013936).

28632018572 is a wasteful number, since it uses less digits than its factorization.

28632018572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7158004647 (or 7158004645 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 28632018572 in words is "twenty-eight billion, six hundred thirty-two million, eighteen thousand, five hundred seventy-two".