28400006229 has 8 divisors (see below), whose sum is σ = 43276200000. Its totient is φ = 16228574976.

The previous prime is 28400006207. The next prime is 28400006267. The reversal of 28400006229 is 92260000482.

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

It is not a de Polignac number, because 28400006229 - 2⁷ = 28400006101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28400006229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28400002229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676190604 + ... + 676190645.

It is an arithmetic number, because the mean of its divisors is an integer number (5409525000).

Almost surely, 2^28400006229 is an apocalyptic number.

It is an amenable number.

28400006229 is a deficient number, since it is larger than the sum of its proper divisors (14876193771).

28400006229 is a wasteful number, since it uses less digits than its factorization.

28400006229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352381259.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 28400006229 in words is "twenty-eight billion, four hundred million, six thousand, two hundred twenty-nine".