86172516203 has 2 divisors, whose sum is σ = 86172516204. Its totient is φ = 86172516202.

The previous prime is 86172516127. The next prime is 86172516223. The reversal of 86172516203 is 30261527168.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86172516203 - 2¹⁰ = 86172515179 is a prime.

It is not a weakly prime, because it can be changed into another prime (86172516223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43086258101 + 43086258102.

It is an arithmetic number, because the mean of its divisors is an integer number (43086258102).

Almost surely, 2^86172516203 is an apocalyptic number.

86172516203 is a deficient number, since it is larger than the sum of its proper divisors (1).

86172516203 is an equidigital number, since it uses as much as digits as its factorization.

86172516203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 86172516203 in words is "eighty-six billion, one hundred seventy-two million, five hundred sixteen thousand, two hundred three".