28385010632635 has 4 divisors (see below), whose sum is σ = 34062012759168. Its totient is φ = 22708008506104.

The previous prime is 28385010632621. The next prime is 28385010632687. The reversal of 28385010632635 is 53623601058382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28385010632635 - 2²⁷ = 28384876414907 is a prime.

It is a super-2 number, since 2×28385010632635² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2838501063259 + ... + 2838501063268.

It is an arithmetic number, because the mean of its divisors is an integer number (8515503189792).

Almost surely, 2^{28385010632635} is an apocalyptic number.

28385010632635 is a deficient number, since it is larger than the sum of its proper divisors (5677002126533).

28385010632635 is an equidigital number, since it uses as much as digits as its factorization.

28385010632635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677002126532.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 28385010632635 in words is "twenty-eight trillion, three hundred eighty-five billion, ten million, six hundred thirty-two thousand, six hundred thirty-five".