86620340629 has 2 divisors, whose sum is σ = 86620340630. Its totient is φ = 86620340628.

The previous prime is 86620340617. The next prime is 86620340659. The reversal of 86620340629 is 92604302668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75616750225 + 11003590404 = 274985^2 + 104898^2 .

It is a cyclic number.

It is not a de Polignac number, because 86620340629 - 2³¹ = 84472856981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86620340659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43310170314 + 43310170315.

It is an arithmetic number, because the mean of its divisors is an integer number (43310170315).

Almost surely, 2^86620340629 is an apocalyptic number.

It is an amenable number.

86620340629 is a deficient number, since it is larger than the sum of its proper divisors (1).

86620340629 is an equidigital number, since it uses as much as digits as its factorization.

86620340629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 86620340629 in words is "eighty-six billion, six hundred twenty million, three hundred forty thousand, six hundred twenty-nine".