86568673 has 4 divisors (see below), whose sum is σ = 86606100. Its totient is φ = 86531248.

The previous prime is 86568659. The next prime is 86568707. The reversal of 86568673 is 37686568.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19607184 + 66961489 = 4428^2 + 8183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86568673 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86568613) 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, 14998 + ... + 19951.

It is an arithmetic number, because the mean of its divisors is an integer number (21651525).

Almost surely, 2^86568673 is an apocalyptic number.

It is an amenable number.

86568673 is a deficient number, since it is larger than the sum of its proper divisors (37427).

86568673 is a wasteful number, since it uses less digits than its factorization.

86568673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37426.

The product of its digits is 1451520, while the sum is 49.

The square root of 86568673 is about 9304.2287697584. The cubic root of 86568673 is about 442.3712764630.

The spelling of 86568673 in words is "eighty-six million, five hundred sixty-eight thousand, six hundred seventy-three".