28833667117 has 2 divisors, whose sum is σ = 28833667118. Its totient is φ = 28833667116.

The previous prime is 28833667111. The next prime is 28833667271. The reversal of 28833667117 is 71176633882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19036824676 + 9796842441 = 137974^2 + 98979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28833667117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28833667111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14416833558 + 14416833559.

It is an arithmetic number, because the mean of its divisors is an integer number (14416833559).

Almost surely, 2^28833667117 is an apocalyptic number.

It is an amenable number.

28833667117 is a deficient number, since it is larger than the sum of its proper divisors (1).

28833667117 is an equidigital number, since it uses as much as digits as its factorization.

28833667117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The spelling of 28833667117 in words is "twenty-eight billion, eight hundred thirty-three million, six hundred sixty-seven thousand, one hundred seventeen".