86566802522761 has 16 divisors (see below), whose sum is σ = 94546250628480. Its totient is φ = 78605650372480.

The previous prime is 86566802522713. The next prime is 86566802522771. The reversal of 86566802522761 is 16722520866568.

It is not a de Polignac number, because 86566802522761 - 2¹¹ = 86566802520713 is a prime.

It is a super-2 number, since 2×86566802522761² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86566802522693 and 86566802522702.

It is not an unprimeable number, because it can be changed into a prime (86566802522701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314984475 + ... + 315259183.

It is an arithmetic number, because the mean of its divisors is an integer number (5909140664280).

Almost surely, 2^{86566802522761} is an apocalyptic number.

It is an amenable number.

86566802522761 is a deficient number, since it is larger than the sum of its proper divisors (7979448105719).

86566802522761 is a wasteful number, since it uses less digits than its factorization.

86566802522761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307904.

The product of its (nonzero) digits is 116121600, while the sum is 64.

The spelling of 86566802522761 in words is "eighty-six trillion, five hundred sixty-six billion, eight hundred two million, five hundred twenty-two thousand, seven hundred sixty-one".