28364513827 has 8 divisors (see below), whose sum is σ = 31531767680. Its totient is φ = 25338026880.

The previous prime is 28364513783. The next prime is 28364513833. The reversal of 28364513827 is 72831546382.

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-28364513827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28364513857) 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, 35191302 + ... + 35192107.

It is an arithmetic number, because the mean of its divisors is an integer number (3941470960).

Almost surely, 2^28364513827 is an apocalyptic number.

28364513827 is a deficient number, since it is larger than the sum of its proper divisors (3167253853).

28364513827 is a wasteful number, since it uses less digits than its factorization.

28364513827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70383453.

The product of its digits is 1935360, while the sum is 49.

The spelling of 28364513827 in words is "twenty-eight billion, three hundred sixty-four million, five hundred thirteen thousand, eight hundred twenty-seven".