28334641155 has 8 divisors (see below), whose sum is σ = 45335425872. Its totient is φ = 15111808608.

The previous prime is 28334641151. The next prime is 28334641193. The reversal of 28334641155 is 55114643382.

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

It is not a de Polignac number, because 28334641155 - 2² = 28334641151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28334641151) 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, 944488024 + ... + 944488053.

It is an arithmetic number, because the mean of its divisors is an integer number (5666928234).

Almost surely, 2^28334641155 is an apocalyptic number.

28334641155 is a deficient number, since it is larger than the sum of its proper divisors (17000784717).

28334641155 is a wasteful number, since it uses less digits than its factorization.

28334641155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888976085.

The product of its digits is 345600, while the sum is 42.

The spelling of 28334641155 in words is "twenty-eight billion, three hundred thirty-four million, six hundred forty-one thousand, one hundred fifty-five".