28060000438 has 8 divisors (see below), whose sum is σ = 43541380080. Its totient is φ = 13546207080.

The previous prime is 28060000429. The next prime is 28060000453. The reversal of 28060000438 is 83400006082.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241896498 + ... + 241896613.

It is an arithmetic number, because the mean of its divisors is an integer number (5442672510).

Almost surely, 2^28060000438 is an apocalyptic number.

28060000438 is the 89539-th centered heptagonal number.

28060000438 is a deficient number, since it is larger than the sum of its proper divisors (15481379642).

28060000438 is a wasteful number, since it uses less digits than its factorization.

28060000438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483793142.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 28060000438 in words is "twenty-eight billion, sixty million, four hundred thirty-eight", and thus it is an aban number.