86685133 has 4 divisors (see below), whose sum is σ = 86713120. Its totient is φ = 86657148.

The previous prime is 86685127. The next prime is 86685139. The reversal of 86685133 is 33158668.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (86685127) and next prime (86685139).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86685133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86685139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8673 + ... + 15766.

It is an arithmetic number, because the mean of its divisors is an integer number (21678280).

Almost surely, 2^86685133 is an apocalyptic number.

It is an amenable number.

86685133 is a deficient number, since it is larger than the sum of its proper divisors (27987).

86685133 is a wasteful number, since it uses less digits than its factorization.

86685133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27986.

The product of its digits is 103680, while the sum is 40.

The square root of 86685133 is about 9310.4851108844. The cubic root of 86685133 is about 442.5695601756.

The spelling of 86685133 in words is "eighty-six million, six hundred eighty-five thousand, one hundred thirty-three".