86993705 has 8 divisors (see below), whose sum is σ = 108931392. Its totient is φ = 66569008.

The previous prime is 86993689. The next prime is 86993717. The reversal of 86993705 is 50739968.

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 86993705 - 2⁴ = 86993689 is a prime.

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 86993705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378119 + ... + 378348.

It is an arithmetic number, because the mean of its divisors is an integer number (13616424).

Almost surely, 2^86993705 is an apocalyptic number.

It is an amenable number.

86993705 is a deficient number, since it is larger than the sum of its proper divisors (21937687).

86993705 is a wasteful number, since it uses less digits than its factorization.

86993705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756495.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 86993705 is about 9327.0415995641. The cubic root of 86993705 is about 443.0940747680.

The spelling of 86993705 in words is "eighty-six million, nine hundred ninety-three thousand, seven hundred five".