28094989713 has 32 divisors (see below), whose sum is σ = 43817625600. Its totient is φ = 16005583440.

The previous prime is 28094989697. The next prime is 28094989777. The reversal of 28094989713 is 31798949082.

It is not a de Polignac number, because 28094989713 - 2⁴ = 28094989697 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28094989913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299356 + ... + 381842.

It is an arithmetic number, because the mean of its divisors is an integer number (1369300800).

Almost surely, 2^28094989713 is an apocalyptic number.

It is an amenable number.

28094989713 is a deficient number, since it is larger than the sum of its proper divisors (15722635887).

28094989713 is an equidigital number, since it uses as much as digits as its factorization.

28094989713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82842 (or 82828 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 28094989713 in words is "twenty-eight billion, ninety-four million, nine hundred eighty-nine thousand, seven hundred thirteen".