85663612726 has 32 divisors (see below), whose sum is σ = 135757283328. Its totient is φ = 40479959520.

The previous prime is 85663612711. The next prime is 85663612729. The reversal of 85663612726 is 62721636658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85663612729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317436 + ... + 1380928.

It is an arithmetic number, because the mean of its divisors is an integer number (4242415104).

Almost surely, 2^85663612726 is an apocalyptic number.

85663612726 is a deficient number, since it is larger than the sum of its proper divisors (50093670602).

85663612726 is a wasteful number, since it uses less digits than its factorization.

85663612726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64036.

The product of its digits is 4354560, while the sum is 52.

The spelling of 85663612726 in words is "eighty-five billion, six hundred sixty-three million, six hundred twelve thousand, seven hundred twenty-six".