28063012388 has 12 divisors (see below), whose sum is σ = 51695022960. Its totient is φ = 13293005832.

The previous prime is 28063012387. The next prime is 28063012499. The reversal of 28063012388 is 88321036082.

It is not an unprimeable number, because it can be changed into a prime (28063012381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184625006 + ... + 184625157.

It is an arithmetic number, because the mean of its divisors is an integer number (4307918580).

Almost surely, 2^28063012388 is an apocalyptic number.

It is an amenable number.

28063012388 is a deficient number, since it is larger than the sum of its proper divisors (23632010572).

28063012388 is a wasteful number, since it uses less digits than its factorization.

28063012388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369250186 (or 369250184 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 28063012388 in words is "twenty-eight billion, sixty-three million, twelve thousand, three hundred eighty-eight".