86606202362881 has 2 divisors, whose sum is σ = 86606202362882. Its totient is φ = 86606202362880.

The previous prime is 86606202362863. The next prime is 86606202362903. The reversal of 86606202362881 is 18826320260668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54810035424400 + 31796166938481 = 7403380^2 + 5638809^2 .

It is a cyclic number.

It is not a de Polignac number, because 86606202362881 - 2²⁷ = 86606068145153 is a prime.

It is a super-2 number, since 2×86606202362881² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86606202362821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43303101181440 + 43303101181441.

It is an arithmetic number, because the mean of its divisors is an integer number (43303101181441).

Almost surely, 2^{86606202362881} is an apocalyptic number.

It is an amenable number.

86606202362881 is a deficient number, since it is larger than the sum of its proper divisors (1).

86606202362881 is an equidigital number, since it uses as much as digits as its factorization.

86606202362881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15925248, while the sum is 58.

The spelling of 86606202362881 in words is "eighty-six trillion, six hundred six billion, two hundred two million, three hundred sixty-two thousand, eight hundred eighty-one".