86418467677 has 2 divisors, whose sum is σ = 86418467678. Its totient is φ = 86418467676.

The previous prime is 86418467659. The next prime is 86418467687. The reversal of 86418467677 is 77676481468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85857204196 + 561263481 = 293014^2 + 23691^2 .

It is a cyclic number.

It is not a de Polignac number, because 86418467677 - 2¹¹ = 86418465629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86418467627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43209233838 + 43209233839.

It is an arithmetic number, because the mean of its divisors is an integer number (43209233839).

Almost surely, 2^86418467677 is an apocalyptic number.

It is an amenable number.

86418467677 is a deficient number, since it is larger than the sum of its proper divisors (1).

86418467677 is an equidigital number, since it uses as much as digits as its factorization.

86418467677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75866112, while the sum is 64.

The spelling of 86418467677 in words is "eighty-six billion, four hundred eighteen million, four hundred sixty-seven thousand, six hundred seventy-seven".