86705000 has 40 divisors (see below), whose sum is σ = 203161530. Its totient is φ = 34680000.

The previous prime is 86704997. The next prime is 86705011. The reversal of 86705000 is 50768.

It can be written as a sum of positive squares in 5 ways, for example, as 9721924 + 76983076 = 3118^2 + 8774^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3671 + ... + 13670.

Almost surely, 2^86705000 is an apocalyptic number.

It is an amenable number.

86705000 is an abundant number, since it is smaller than the sum of its proper divisors (116456530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86705000 is a wasteful number, since it uses less digits than its factorization.

86705000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17367 (or 17348 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 86705000 is about 9311.5519651667. The cubic root of 86705000 is about 442.6033678099.

Adding to 86705000 its reverse (50768), we get a palindrome (86755768).

The spelling of 86705000 in words is "eighty-six million, seven hundred five thousand".