86155361 has 2 divisors, whose sum is σ = 86155362. Its totient is φ = 86155360.

The previous prime is 86155343. The next prime is 86155373. The reversal of 86155361 is 16355168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84640000 + 1515361 = 9200^2 + 1231^2 .

It is a cyclic number.

It is not a de Polignac number, because 86155361 - 2⁶ = 86155297 is a prime.

It is not a weakly prime, because it can be changed into another prime (86155301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43077680 + 43077681.

It is an arithmetic number, because the mean of its divisors is an integer number (43077681).

Almost surely, 2^86155361 is an apocalyptic number.

It is an amenable number.

86155361 is a deficient number, since it is larger than the sum of its proper divisors (1).

86155361 is an equidigital number, since it uses as much as digits as its factorization.

86155361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 86155361 is about 9281.9912195606. The cubic root of 86155361 is about 441.6661364338. Note that the first 3 decimals are identical.

The spelling of 86155361 in words is "eighty-six million, one hundred fifty-five thousand, three hundred sixty-one".