86373641 has 2 divisors, whose sum is σ = 86373642. Its totient is φ = 86373640.

The previous prime is 86373619. The next prime is 86373643. The reversal of 86373641 is 14637368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83905600 + 2468041 = 9160^2 + 1571^2 .

It is a cyclic number.

It is not a de Polignac number, because 86373641 - 2¹⁸ = 86111497 is a prime.

Together with 86373643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86373595 and 86373604.

It is not a weakly prime, because it can be changed into another prime (86373643) 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, 43186820 + 43186821.

It is an arithmetic number, because the mean of its divisors is an integer number (43186821).

Almost surely, 2^86373641 is an apocalyptic number.

It is an amenable number.

86373641 is a deficient number, since it is larger than the sum of its proper divisors (1).

86373641 is an equidigital number, since it uses as much as digits as its factorization.

86373641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 86373641 is about 9293.7420342938. The cubic root of 86373641 is about 442.0388181409.

The spelling of 86373641 in words is "eighty-six million, three hundred seventy-three thousand, six hundred forty-one".