86606240110421 has 2 divisors, whose sum is σ = 86606240110422. Its totient is φ = 86606240110420.

The previous prime is 86606240110391. The next prime is 86606240110483. The reversal of 86606240110421 is 12401104260668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45737005771396 + 40869234339025 = 6762914^2 + 6392905^2 .

It is a cyclic number.

It is not a de Polignac number, because 86606240110421 - 2¹⁸ = 86606239848277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86606240110121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43303120055210 + 43303120055211.

It is an arithmetic number, because the mean of its divisors is an integer number (43303120055211).

Almost surely, 2^{86606240110421} is an apocalyptic number.

It is an amenable number.

86606240110421 is a deficient number, since it is larger than the sum of its proper divisors (1).

86606240110421 is an equidigital number, since it uses as much as digits as its factorization.

86606240110421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 86606240110421 in words is "eighty-six trillion, six hundred six billion, two hundred forty million, one hundred ten thousand, four hundred twenty-one".