864910081 has 8 divisors (see below), whose sum is σ = 989812160. Its totient is φ = 740343888.

The previous prime is 864910061. The next prime is 864910093. The reversal of 864910081 is 180019468.

It is a happy number.

864910081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 864910081 - 2¹⁵ = 864877313 is a prime.

It is a super-2 number, since 2×864910081² = 1496138896430853122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 864910081.

It is not an unprimeable number, because it can be changed into a prime (864910061) 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, 78426 + ... + 88771.

It is an arithmetic number, because the mean of its divisors is an integer number (123726520).

Almost surely, 2^864910081 is an apocalyptic number.

It is an amenable number.

864910081 is a deficient number, since it is larger than the sum of its proper divisors (124902079).

864910081 is a wasteful number, since it uses less digits than its factorization.

864910081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167943.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 864910081 is about 29409.3536311154. The cubic root of 864910081 is about 952.7749266891.

The spelling of 864910081 in words is "eight hundred sixty-four million, nine hundred ten thousand, eighty-one".