86862626677 has 2 divisors, whose sum is σ = 86862626678. Its totient is φ = 86862626676.

The previous prime is 86862626593. The next prime is 86862626699. The reversal of 86862626677 is 77662626868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85622952996 + 1239673681 = 292614^2 + 35209^2 .

It is a cyclic number.

It is not a de Polignac number, because 86862626677 - 2¹⁹ = 86862102389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86862656677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43431313338 + 43431313339.

It is an arithmetic number, because the mean of its divisors is an integer number (43431313339).

Almost surely, 2^86862626677 is an apocalyptic number.

It is an amenable number.

86862626677 is a deficient number, since it is larger than the sum of its proper divisors (1).

86862626677 is an equidigital number, since it uses as much as digits as its factorization.

86862626677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 64.

The spelling of 86862626677 in words is "eighty-six billion, eight hundred sixty-two million, six hundred twenty-six thousand, six hundred seventy-seven".