86852137 has 2 divisors, whose sum is σ = 86852138. Its totient is φ = 86852136.

The previous prime is 86852119. The next prime is 86852147. The reversal of 86852137 is 73125868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58079641 + 28772496 = 7621^2 + 5364^2 .

It is a cyclic number.

It is not a de Polignac number, because 86852137 - 2⁷ = 86852009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86852137.

It is not a weakly prime, because it can be changed into another prime (86852147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43426068 + 43426069.

It is an arithmetic number, because the mean of its divisors is an integer number (43426069).

Almost surely, 2^86852137 is an apocalyptic number.

It is an amenable number.

86852137 is a deficient number, since it is larger than the sum of its proper divisors (1).

86852137 is an equidigital number, since it uses as much as digits as its factorization.

86852137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 86852137 is about 9319.4493936069. The cubic root of 86852137 is about 442.8535899373.

The spelling of 86852137 in words is "eighty-six million, eight hundred fifty-two thousand, one hundred thirty-seven".