28024031007 has 24 divisors (see below), whose sum is σ = 46347460640. Its totient is φ = 15984112320.

The previous prime is 28024030961. The next prime is 28024031029. The reversal of 28024031007 is 70013042082.

It is not a de Polignac number, because 28024031007 - 2¹² = 28024026911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28024031207) 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 23 ways as a sum of consecutive naturals, for example, 377032 + ... + 445197.

Almost surely, 2^28024031007 is an apocalyptic number.

28024031007 is a deficient number, since it is larger than the sum of its proper divisors (18323429633).

28024031007 is a wasteful number, since it uses less digits than its factorization.

28024031007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822783 (or 822780 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 28024031007 its reverse (70013042082), we get a palindrome (98037073089).

The spelling of 28024031007 in words is "twenty-eight billion, twenty-four million, thirty-one thousand, seven".