86006344621 has 2 divisors, whose sum is σ = 86006344622. Its totient is φ = 86006344620.

The previous prime is 86006344583. The next prime is 86006344651. The reversal of 86006344621 is 12644360068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50052875625 + 35953468996 = 223725^2 + 189614^2 .

It is a cyclic number.

It is not a de Polignac number, because 86006344621 - 2¹⁷ = 86006213549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86006344651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43003172310 + 43003172311.

It is an arithmetic number, because the mean of its divisors is an integer number (43003172311).

Almost surely, 2^86006344621 is an apocalyptic number.

It is an amenable number.

86006344621 is a deficient number, since it is larger than the sum of its proper divisors (1).

86006344621 is an equidigital number, since it uses as much as digits as its factorization.

86006344621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 86006344621 in words is "eighty-six billion, six million, three hundred forty-four thousand, six hundred twenty-one".