28480269007 has 4 divisors (see below), whose sum is σ = 28480636696. Its totient is φ = 28479901320.

The previous prime is 28480269001. The next prime is 28480269029. The reversal of 28480269007 is 70096208482.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28480269007 is a prime.

It is a super-2 number, since 2×28480269007² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28480269001) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 17469 + ... + 239302.

It is an arithmetic number, because the mean of its divisors is an integer number (7120159174).

Almost surely, 2^28480269007 is an apocalyptic number.

28480269007 is a deficient number, since it is larger than the sum of its proper divisors (367689).

28480269007 is a wasteful number, since it uses less digits than its factorization.

28480269007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367688.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 28480269007 in words is "twenty-eight billion, four hundred eighty million, two hundred sixty-nine thousand, seven".