28344053517 has 48 divisors (see below), whose sum is σ = 42437541888. Its totient is φ = 16802061120.

The previous prime is 28344053509. The next prime is 28344053609. The reversal of 28344053517 is 71535044382.

It is not a de Polignac number, because 28344053517 - 2³ = 28344053509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28344053117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3500848 + ... + 3508934.

It is an arithmetic number, because the mean of its divisors is an integer number (884115456).

Almost surely, 2^28344053517 is an apocalyptic number.

It is an amenable number.

28344053517 is a deficient number, since it is larger than the sum of its proper divisors (14093488371).

28344053517 is a wasteful number, since it uses less digits than its factorization.

28344053517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8370 (or 8357 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

Adding to 28344053517 its reverse (71535044382), we get a palindrome (99879097899).

The spelling of 28344053517 in words is "twenty-eight billion, three hundred forty-four million, fifty-three thousand, five hundred seventeen".