864637082 has 8 divisors (see below), whose sum is σ = 1307168256. Its totient is φ = 428914332.

The previous prime is 864637061. The next prime is 864637093. The reversal of 864637082 is 280736468.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701788 + ... + 1702295.

It is an arithmetic number, because the mean of its divisors is an integer number (163396032).

Almost surely, 2^864637082 is an apocalyptic number.

864637082 is a deficient number, since it is larger than the sum of its proper divisors (442531174).

864637082 is a wasteful number, since it uses less digits than its factorization.

864637082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404212.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 864637082 is about 29404.7119013263. The cubic root of 864637082 is about 952.6746719616.

The spelling of 864637082 in words is "eight hundred sixty-four million, six hundred thirty-seven thousand, eighty-two".