28282102091 has 8 divisors (see below), whose sum is σ = 30404052480. Its totient is φ = 26223493608.

The previous prime is 28282102081. The next prime is 28282102141. The reversal of 28282102091 is 19020128282.

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 28282102091 - 2¹⁸ = 28281839947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28282102061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15834551 + ... + 15836336.

It is an arithmetic number, because the mean of its divisors is an integer number (3800506560).

Almost surely, 2^28282102091 is an apocalyptic number.

28282102091 is a deficient number, since it is larger than the sum of its proper divisors (2121950389).

28282102091 is a wasteful number, since it uses less digits than its factorization.

28282102091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31670953.

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 28282102091 in words is "twenty-eight billion, two hundred eighty-two million, one hundred two thousand, ninety-one".