86765741 has 2 divisors, whose sum is σ = 86765742. Its totient is φ = 86765740.

The previous prime is 86765719. The next prime is 86765747. The reversal of 86765741 is 14756768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63282025 + 23483716 = 7955^2 + 4846^2 .

It is a cyclic number.

It is not a de Polignac number, because 86765741 - 2⁶ = 86765677 is a prime.

It is a super-2 number, since 2×86765741² = 15056587622558162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86765692 and 86765701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86765747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43382870 + 43382871.

It is an arithmetic number, because the mean of its divisors is an integer number (43382871).

Almost surely, 2^86765741 is an apocalyptic number.

It is an amenable number.

86765741 is a deficient number, since it is larger than the sum of its proper divisors (1).

86765741 is an equidigital number, since it uses as much as digits as its factorization.

86765741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 44.

The square root of 86765741 is about 9314.8129879241. The cubic root of 86765741 is about 442.7066986279.

The spelling of 86765741 in words is "eighty-six million, seven hundred sixty-five thousand, seven hundred forty-one".