28286601383 has 4 divisors (see below), whose sum is σ = 28308513288. Its totient is φ = 28264689480.

The previous prime is 28286601361. The next prime is 28286601389. The reversal of 28286601383 is 38310668282.

It is a happy number.

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 28286601383 - 2⁶ = 28286601319 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 (28286601389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10954016 + ... + 10956597.

It is an arithmetic number, because the mean of its divisors is an integer number (7077128322).

Almost surely, 2^28286601383 is an apocalyptic number.

28286601383 is a deficient number, since it is larger than the sum of its proper divisors (21911905).

28286601383 is a wasteful number, since it uses less digits than its factorization.

28286601383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21911904.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 28286601383 in words is "twenty-eight billion, two hundred eighty-six million, six hundred one thousand, three hundred eighty-three".