28060672147 has 4 divisors (see below), whose sum is σ = 28061076760. Its totient is φ = 28060267536.

The previous prime is 28060672103. The next prime is 28060672151. The reversal of 28060672147 is 74127606082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28060672147 - 2¹⁵ = 28060639379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28060672247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68997 + ... + 246742.

It is an arithmetic number, because the mean of its divisors is an integer number (7015269190).

Almost surely, 2^28060672147 is an apocalyptic number.

28060672147 is a deficient number, since it is larger than the sum of its proper divisors (404613).

28060672147 is an equidigital number, since it uses as much as digits as its factorization.

28060672147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404612.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 28060672147 in words is "twenty-eight billion, sixty million, six hundred seventy-two thousand, one hundred forty-seven".