86128853 has 2 divisors, whose sum is σ = 86128854. Its totient is φ = 86128852.

The previous prime is 86128841. The next prime is 86128873. The reversal of 86128853 is 35882168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74684164 + 11444689 = 8642^2 + 3383^2 .

It is a cyclic number.

It is not a de Polignac number, because 86128853 - 2¹² = 86124757 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86128853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86128873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43064426 + 43064427.

It is an arithmetic number, because the mean of its divisors is an integer number (43064427).

Almost surely, 2^86128853 is an apocalyptic number.

It is an amenable number.

86128853 is a deficient number, since it is larger than the sum of its proper divisors (1).

86128853 is an equidigital number, since it uses as much as digits as its factorization.

86128853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 41.

The square root of 86128853 is about 9280.5631833418. The cubic root of 86128853 is about 441.6208349895.

The spelling of 86128853 in words is "eighty-six million, one hundred twenty-eight thousand, eight hundred fifty-three".