86675533557629 has 2 divisors, whose sum is σ = 86675533557630. Its totient is φ = 86675533557628.

The previous prime is 86675533557611. The next prime is 86675533557703. The reversal of 86675533557629 is 92675533557668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69360197788729 + 17315335768900 = 8328277^2 + 4161170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86675533557629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86675533557629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86675533557029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43337766778814 + 43337766778815.

It is an arithmetic number, because the mean of its divisors is an integer number (43337766778815).

Almost surely, 2^{86675533557629} is an apocalyptic number.

It is an amenable number.

86675533557629 is a deficient number, since it is larger than the sum of its proper divisors (1).

86675533557629 is an equidigital number, since it uses as much as digits as its factorization.

86675533557629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8573040000, while the sum is 77.

The spelling of 86675533557629 in words is "eighty-six trillion, six hundred seventy-five billion, five hundred thirty-three million, five hundred fifty-seven thousand, six hundred twenty-nine".