86577193 has 2 divisors, whose sum is σ = 86577194. Its totient is φ = 86577192.

The previous prime is 86577163. The next prime is 86577223. The reversal of 86577193 is 39177568.

It is a balanced prime because it is at equal distance from previous prime (86577163) and next prime (86577223).

It can be written as a sum of positive squares in only one way, i.e., 86266944 + 310249 = 9288^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 86577193 - 2⁹ = 86576681 is a prime.

It is a super-2 number, since 2×86577193² = 14991220695518498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86577163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43288596 + 43288597.

It is an arithmetic number, because the mean of its divisors is an integer number (43288597).

Almost surely, 2^86577193 is an apocalyptic number.

It is an amenable number.

86577193 is a deficient number, since it is larger than the sum of its proper divisors (1).

86577193 is an equidigital number, since it uses as much as digits as its factorization.

86577193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 46.

The square root of 86577193 is about 9304.6866148194. The cubic root of 86577193 is about 442.3857885627.

The spelling of 86577193 in words is "eighty-six million, five hundred seventy-seven thousand, one hundred ninety-three".