28085064029 has 8 divisors (see below), whose sum is σ = 30772045920. Its totient is φ = 25420381200.

The previous prime is 28085064019. The next prime is 28085064031. The reversal of 28085064029 is 92046058082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28085064029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28085064019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5572127 + ... + 5577164.

It is an arithmetic number, because the mean of its divisors is an integer number (3846505740).

Almost surely, 2^28085064029 is an apocalyptic number.

It is an amenable number.

28085064029 is a deficient number, since it is larger than the sum of its proper divisors (2686981891).

28085064029 is a wasteful number, since it uses less digits than its factorization.

28085064029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149531.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 28085064029 in words is "twenty-eight billion, eighty-five million, sixty-four thousand, twenty-nine".