86747858237 has 2 divisors, whose sum is σ = 86747858238. Its totient is φ = 86747858236.

The previous prime is 86747858189. The next prime is 86747858321. The reversal of 86747858237 is 73285874768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68333096836 + 18414761401 = 261406^2 + 135701^2 .

It is a cyclic number.

It is not a de Polignac number, because 86747858237 - 2¹⁰ = 86747857213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86747858737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43373929118 + 43373929119.

It is an arithmetic number, because the mean of its divisors is an integer number (43373929119).

Almost surely, 2^86747858237 is an apocalyptic number.

It is an amenable number.

86747858237 is a deficient number, since it is larger than the sum of its proper divisors (1).

86747858237 is an equidigital number, since it uses as much as digits as its factorization.

86747858237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126443520, while the sum is 65.

The spelling of 86747858237 in words is "eighty-six billion, seven hundred forty-seven million, eight hundred fifty-eight thousand, two hundred thirty-seven".