28327830525839 has 8 divisors (see below), whose sum is σ = 30507221301312. Its totient is φ = 26148486448800.

The previous prime is 28327830525817. The next prime is 28327830525857. The reversal of 28327830525839 is 93852503872382.

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

It is a cyclic number.

It is not a de Polignac number, because 28327830525839 - 2⁸ = 28327830525583 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 (28327830525809) 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, 10409639 + ... + 12845864.

It is an arithmetic number, because the mean of its divisors is an integer number (3813402662664).

Almost surely, 2^{28327830525839} is an apocalyptic number.

28327830525839 is a deficient number, since it is larger than the sum of its proper divisors (2179390775473).

28327830525839 is a wasteful number, since it uses less digits than its factorization.

28327830525839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23349217.

The product of its (nonzero) digits is 174182400, while the sum is 65.

The spelling of 28327830525839 in words is "twenty-eight trillion, three hundred twenty-seven billion, eight hundred thirty million, five hundred twenty-five thousand, eight hundred thirty-nine".