86560906690 has 16 divisors (see below), whose sum is σ = 155829494520. Its totient is φ = 34619948800.

The previous prime is 86560906669. The next prime is 86560906717. The reversal of 86560906690 is 9660906568.

It can be written as a sum of positive squares in 4 ways, for example, as 83815461081 + 2745445609 = 289509^2 + 52397^2 .

It is a super-2 number, since 2×86560906690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 468775 + ... + 626794.

Almost surely, 2^86560906690 is an apocalyptic number.

86560906690 is a deficient number, since it is larger than the sum of its proper divisors (69268587830).

86560906690 is a wasteful number, since it uses less digits than its factorization.

86560906690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103477.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 86560906690 in words is "eighty-six billion, five hundred sixty million, nine hundred six thousand, six hundred ninety".