28854118247 has 2 divisors, whose sum is σ = 28854118248. Its totient is φ = 28854118246.

The previous prime is 28854118157. The next prime is 28854118259. The reversal of 28854118247 is 74281145882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28854118247 - 2¹⁴ = 28854101863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28854118195 and 28854118204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28854118747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14427059123 + 14427059124.

It is an arithmetic number, because the mean of its divisors is an integer number (14427059124).

Almost surely, 2^28854118247 is an apocalyptic number.

28854118247 is a deficient number, since it is larger than the sum of its proper divisors (1).

28854118247 is an equidigital number, since it uses as much as digits as its factorization.

28854118247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1146880, while the sum is 50.

The spelling of 28854118247 in words is "twenty-eight billion, eight hundred fifty-four million, one hundred eighteen thousand, two hundred forty-seven".