86642683 has 4 divisors (see below), whose sum is σ = 87437680. Its totient is φ = 85847688.

The previous prime is 86642671. The next prime is 86642687. The reversal of 86642683 is 38624668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86642683 - 2²⁵ = 53088251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86642687) 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, 397335 + ... + 397552.

It is an arithmetic number, because the mean of its divisors is an integer number (21859420).

Almost surely, 2^86642683 is an apocalyptic number.

86642683 is a deficient number, since it is larger than the sum of its proper divisors (794997).

86642683 is a wasteful number, since it uses less digits than its factorization.

86642683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794996.

The product of its digits is 331776, while the sum is 43.

The square root of 86642683 is about 9308.2051438502. The cubic root of 86642683 is about 442.4973057812.

The spelling of 86642683 in words is "eighty-six million, six hundred forty-two thousand, six hundred eighty-three".