28686048627 has 16 divisors (see below), whose sum is σ = 40332677760. Its totient is φ = 18085303872.

The previous prime is 28686048613. The next prime is 28686048641. The reversal of 28686048627 is 72684068682.

It is an interprime number because it is at equal distance from previous prime (28686048613) and next prime (28686048641).

It is not a de Polignac number, because 28686048627 - 2¹⁸ = 28685786483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (28686048227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414858 + ... + 479039.

It is an arithmetic number, because the mean of its divisors is an integer number (2520792360).

Almost surely, 2^28686048627 is an apocalyptic number.

28686048627 is a deficient number, since it is larger than the sum of its proper divisors (11646629133).

28686048627 is a wasteful number, since it uses less digits than its factorization.

28686048627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894482.

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 28686048627 in words is "twenty-eight billion, six hundred eighty-six million, forty-eight thousand, six hundred twenty-seven".