28692517147 has 16 divisors (see below), whose sum is σ = 34064179200. Its totient is φ = 23646137760.

The previous prime is 28692517123. The next prime is 28692517187. The reversal of 28692517147 is 74171529682.

It is not a de Polignac number, because 28692517147 - 2¹⁹ = 28691992859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28692517094 and 28692517103.

It is not an unprimeable number, because it can be changed into a prime (28692517187) 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 15 ways as a sum of consecutive naturals, for example, 247179 + ... + 344212.

It is an arithmetic number, because the mean of its divisors is an integer number (2129011200).

Almost surely, 2^28692517147 is an apocalyptic number.

28692517147 is a deficient number, since it is larger than the sum of its proper divisors (5371662053).

28692517147 is a wasteful number, since it uses less digits than its factorization.

28692517147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591666.

The product of its digits is 1693440, while the sum is 52.

The spelling of 28692517147 in words is "twenty-eight billion, six hundred ninety-two million, five hundred seventeen thousand, one hundred forty-seven".