28480720006 has 8 divisors (see below), whose sum is σ = 42731118864. Its totient is φ = 14237013720.

The previous prime is 28480720003. The next prime is 28480720019. The reversal of 28480720006 is 60002708482.

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

It is a super-2 number, since 2×28480720006² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28480720003) 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, 1662490 + ... + 1679533.

It is an arithmetic number, because the mean of its divisors is an integer number (5341389858).

Almost surely, 2^28480720006 is an apocalyptic number.

28480720006 is a deficient number, since it is larger than the sum of its proper divisors (14250398858).

28480720006 is a wasteful number, since it uses less digits than its factorization.

28480720006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346286.

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 28480720006 in words is "twenty-eight billion, four hundred eighty million, seven hundred twenty thousand, six".