28393879049997 has 8 divisors (see below), whose sum is σ = 37896477826656. Its totient is φ = 18910266486672.

The previous prime is 28393879049983. The next prime is 28393879050007. The reversal of 28393879049997 is 79994097839382.

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

It is not a de Polignac number, because 28393879049997 - 2⁸ = 28393879049741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28393879049927) 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, 4746549843 + ... + 4746555824.

It is an arithmetic number, because the mean of its divisors is an integer number (4737059728332).

Almost surely, 2^{28393879049997} is an apocalyptic number.

It is an amenable number.

28393879049997 is a deficient number, since it is larger than the sum of its proper divisors (9502598776659).

28393879049997 is an equidigital number, since it uses as much as digits as its factorization.

28393879049997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9493106667.

The product of its (nonzero) digits is 13332791808, while the sum is 87.

The spelling of 28393879049997 in words is "twenty-eight trillion, three hundred ninety-three billion, eight hundred seventy-nine million, forty-nine thousand, nine hundred ninety-seven".