86728226669 has 32 divisors (see below), whose sum is σ = 100333153536. Its totient is φ = 73435299840.

The previous prime is 86728226657. The next prime is 86728226687. The reversal of 86728226669 is 96662282768.

It is not a de Polignac number, because 86728226669 - 2⁴ = 86728226653 is a prime.

It is a super-2 number, since 2×86728226669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86728226369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206005079 + ... + 206005499.

It is an arithmetic number, because the mean of its divisors is an integer number (3135411048).

Almost surely, 2^86728226669 is an apocalyptic number.

It is an amenable number.

86728226669 is a deficient number, since it is larger than the sum of its proper divisors (13604926867).

86728226669 is a wasteful number, since it uses less digits than its factorization.

86728226669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365.

The product of its digits is 41803776, while the sum is 62.

The spelling of 86728226669 in words is "eighty-six billion, seven hundred twenty-eight million, two hundred twenty-six thousand, six hundred sixty-nine".