86681823 has 8 divisors (see below), whose sum is σ = 116244528. Its totient is φ = 57453504.

The previous prime is 86681821. The next prime is 86681839. The reversal of 86681823 is 32818668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86681823 - 2¹ = 86681821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86681821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82990 + ... + 84027.

It is an arithmetic number, because the mean of its divisors is an integer number (14530566).

Almost surely, 2^86681823 is an apocalyptic number.

86681823 is a deficient number, since it is larger than the sum of its proper divisors (29562705).

86681823 is a wasteful number, since it uses less digits than its factorization.

86681823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167193.

The product of its digits is 110592, while the sum is 42.

The square root of 86681823 is about 9310.3073526066. The cubic root of 86681823 is about 442.5639270532.

The spelling of 86681823 in words is "eighty-six million, six hundred eighty-one thousand, eight hundred twenty-three".