86575569901 has 2 divisors, whose sum is σ = 86575569902. Its totient is φ = 86575569900.

The previous prime is 86575569893. The next prime is 86575569923. The reversal of 86575569901 is 10996557568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65040300900 + 21535269001 = 255030^2 + 146749^2 .

It is a cyclic number.

It is not a de Polignac number, because 86575569901 - 2³ = 86575569893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86575569901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86575561901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43287784950 + 43287784951.

It is an arithmetic number, because the mean of its divisors is an integer number (43287784951).

Almost surely, 2^86575569901 is an apocalyptic number.

It is an amenable number.

86575569901 is a deficient number, since it is larger than the sum of its proper divisors (1).

86575569901 is an equidigital number, since it uses as much as digits as its factorization.

86575569901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412000, while the sum is 61.

The spelling of 86575569901 in words is "eighty-six billion, five hundred seventy-five million, five hundred sixty-nine thousand, nine hundred one".