86853663 has 36 divisors (see below), whose sum is σ = 143881920. Its totient is φ = 50289408.

The previous prime is 86853643. The next prime is 86853671. The reversal of 86853663 is 36635868.

It is not a de Polignac number, because 86853663 - 2⁵ = 86853631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86853623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24178 + ... + 27536.

It is an arithmetic number, because the mean of its divisors is an integer number (3996720).

Almost surely, 2^86853663 is an apocalyptic number.

86853663 is a deficient number, since it is larger than the sum of its proper divisors (57028257).

86853663 is a wasteful number, since it uses less digits than its factorization.

86853663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408 (or 3392 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 86853663 is about 9319.5312650369. The cubic root of 86853663 is about 442.8561835815.

The spelling of 86853663 in words is "eighty-six million, eight hundred fifty-three thousand, six hundred sixty-three".