28614778127 has 8 divisors (see below), whose sum is σ = 30950485440. Its totient is φ = 26298295200.

The previous prime is 28614778117. The next prime is 28614778133. The reversal of 28614778127 is 72187741682.

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 28614778127 - 2⁴ = 28614778111 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 (28614778117) 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, 4802999 + ... + 4808952.

It is an arithmetic number, because the mean of its divisors is an integer number (3868810680).

Almost surely, 2^28614778127 is an apocalyptic number.

28614778127 is a deficient number, since it is larger than the sum of its proper divisors (2335707313).

28614778127 is a wasteful number, since it uses less digits than its factorization.

28614778127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9612193.

The product of its digits is 2107392, while the sum is 53.

The spelling of 28614778127 in words is "twenty-eight billion, six hundred fourteen million, seven hundred seventy-eight thousand, one hundred twenty-seven".