28601650517 has 24 divisors (see below), whose sum is σ = 31868085312. Its totient is φ = 25646962880.

The previous prime is 28601650501. The next prime is 28601650523. The reversal of 28601650517 is 71505610682.

It is not a de Polignac number, because 28601650517 - 2⁴ = 28601650501 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 (28601650547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7460033 + ... + 7463865.

It is an arithmetic number, because the mean of its divisors is an integer number (1327836888).

Almost surely, 2^28601650517 is an apocalyptic number.

It is an amenable number.

28601650517 is a deficient number, since it is larger than the sum of its proper divisors (3266434795).

28601650517 is a wasteful number, since it uses less digits than its factorization.

28601650517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681 (or 4670 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 28601650517 in words is "twenty-eight billion, six hundred one million, six hundred fifty thousand, five hundred seventeen".