86840753 has 2 divisors, whose sum is σ = 86840754. Its totient is φ = 86840752.

The previous prime is 86840737. The next prime is 86840797. The reversal of 86840753 is 35704868.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84787264 + 2053489 = 9208^2 + 1433^2 .

It is a cyclic number.

It is not a de Polignac number, because 86840753 - 2⁴ = 86840737 is a prime.

It is a super-3 number, since 3×86840753³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86840753.

It is not a weakly prime, because it can be changed into another prime (86840353) 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, 43420376 + 43420377.

It is an arithmetic number, because the mean of its divisors is an integer number (43420377).

Almost surely, 2^86840753 is an apocalyptic number.

It is an amenable number.

86840753 is a deficient number, since it is larger than the sum of its proper divisors (1).

86840753 is an equidigital number, since it uses as much as digits as its factorization.

86840753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 86840753 is about 9318.8386078953. The cubic root of 86840753 is about 442.8342403249.

The spelling of 86840753 in words is "eighty-six million, eight hundred forty thousand, seven hundred fifty-three".