86885573 has 2 divisors, whose sum is σ = 86885574. Its totient is φ = 86885572.

The previous prime is 86885569. The next prime is 86885593. The reversal of 86885573 is 37558868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53684929 + 33200644 = 7327^2 + 5762^2 .

It is a cyclic number.

It is not a de Polignac number, because 86885573 - 2² = 86885569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86885593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43442786 + 43442787.

It is an arithmetic number, because the mean of its divisors is an integer number (43442787).

Almost surely, 2^86885573 is an apocalyptic number.

It is an amenable number.

86885573 is a deficient number, since it is larger than the sum of its proper divisors (1).

86885573 is an equidigital number, since it uses as much as digits as its factorization.

86885573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 50.

The square root of 86885573 is about 9321.2431037925. The cubic root of 86885573 is about 442.9104120007.

The spelling of 86885573 in words is "eighty-six million, eight hundred eighty-five thousand, five hundred seventy-three".