86185616203 has 2 divisors, whose sum is σ = 86185616204. Its totient is φ = 86185616202.

The previous prime is 86185616201. The next prime is 86185616357. The reversal of 86185616203 is 30261658168.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86185616203 - 2¹ = 86185616201 is a prime.

It is a super-2 number, since 2×86185616203² (a number of 23 digits) contains 22 as substring.

Together with 86185616201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86185616201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43092808101 + 43092808102.

It is an arithmetic number, because the mean of its divisors is an integer number (43092808102).

Almost surely, 2^86185616203 is an apocalyptic number.

86185616203 is a deficient number, since it is larger than the sum of its proper divisors (1).

86185616203 is an equidigital number, since it uses as much as digits as its factorization.

86185616203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 86185616203 in words is "eighty-six billion, one hundred eighty-five million, six hundred sixteen thousand, two hundred three".