86646601762759 has 2 divisors, whose sum is σ = 86646601762760. Its totient is φ = 86646601762758.

The previous prime is 86646601762733. The next prime is 86646601762801. The reversal of 86646601762759 is 95726710664668.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86646601762759 is a prime.

It is a super-2 number, since 2×86646601762759² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86646601762691 and 86646601762700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86646601766759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43323300881379 + 43323300881380.

It is an arithmetic number, because the mean of its divisors is an integer number (43323300881380).

Almost surely, 2^{86646601762759} is an apocalyptic number.

86646601762759 is a deficient number, since it is larger than the sum of its proper divisors (1).

86646601762759 is an equidigital number, since it uses as much as digits as its factorization.

86646601762759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1097349120, while the sum is 73.

The spelling of 86646601762759 in words is "eighty-six trillion, six hundred forty-six billion, six hundred one million, seven hundred sixty-two thousand, seven hundred fifty-nine".