28067248517 has 24 divisors (see below), whose sum is σ = 35867401536. Its totient is φ = 21337056000.

The previous prime is 28067248493. The next prime is 28067248579. The reversal of 28067248517 is 71584276082.

It is not a de Polignac number, because 28067248517 - 2²² = 28063054213 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 (28067247517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21017 + ... + 237857.

It is an arithmetic number, because the mean of its divisors is an integer number (1494475064).

Almost surely, 2^28067248517 is an apocalyptic number.

It is an amenable number.

28067248517 is a deficient number, since it is larger than the sum of its proper divisors (7800153019).

28067248517 is a wasteful number, since it uses less digits than its factorization.

28067248517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216941 (or 216900 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The spelling of 28067248517 in words is "twenty-eight billion, sixty-seven million, two hundred forty-eight thousand, five hundred seventeen".