28058381683 has 4 divisors (see below), whose sum is σ = 28058851440. Its totient is φ = 28057911928.

The previous prime is 28058381677. The next prime is 28058381711. The reversal of 28058381683 is 38618385082.

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 28058381683 - 2¹³ = 28058373491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28058381683.

It is not an unprimeable number, because it can be changed into a prime (28058381633) 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, 129535 + ... + 269992.

It is an arithmetic number, because the mean of its divisors is an integer number (7014712860).

Almost surely, 2^28058381683 is an apocalyptic number.

28058381683 is a deficient number, since it is larger than the sum of its proper divisors (469757).

28058381683 is an equidigital number, since it uses as much as digits as its factorization.

28058381683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469756.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 28058381683 in words is "twenty-eight billion, fifty-eight million, three hundred eighty-one thousand, six hundred eighty-three".