28114727687 has 8 divisors (see below), whose sum is σ = 29797427232. Its totient is φ = 26435238400.

The previous prime is 28114727677. The next prime is 28114727749. The reversal of 28114727687 is 78672741182.

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 28114727687 - 2⁶ = 28114727623 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 (28114727677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784514 + ... + 819567.

It is an arithmetic number, because the mean of its divisors is an integer number (3724678404).

Almost surely, 2^28114727687 is an apocalyptic number.

28114727687 is a deficient number, since it is larger than the sum of its proper divisors (1682699545).

28114727687 is a wasteful number, since it uses less digits than its factorization.

28114727687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605129.

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

The spelling of 28114727687 in words is "twenty-eight billion, one hundred fourteen million, seven hundred twenty-seven thousand, six hundred eighty-seven".