28341635657 has 16 divisors (see below), whose sum is σ = 28949944320. Its totient is φ = 27739756800.

The previous prime is 28341635639. The next prime is 28341635659. The reversal of 28341635657 is 75653614382.

It is not a de Polignac number, because 28341635657 - 2¹⁶ = 28341570121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28341635659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7714373 + ... + 7718045.

It is an arithmetic number, because the mean of its divisors is an integer number (1809371520).

Almost surely, 2^28341635657 is an apocalyptic number.

It is an amenable number.

28341635657 is a deficient number, since it is larger than the sum of its proper divisors (608308663).

28341635657 is a wasteful number, since it uses less digits than its factorization.

28341635657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504.

The product of its digits is 3628800, while the sum is 50.

The spelling of 28341635657 in words is "twenty-eight billion, three hundred forty-one million, six hundred thirty-five thousand, six hundred fifty-seven".