86827709 has 8 divisors (see below), whose sum is σ = 89449920. Its totient is φ = 84229600.

The previous prime is 86827703. The next prime is 86827747. The reversal of 86827709 is 90772868.

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 86827709 - 2⁸ = 86827453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86827703) 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, 1424 + ... + 13254.

It is an arithmetic number, because the mean of its divisors is an integer number (11181240).

Almost surely, 2^86827709 is an apocalyptic number.

It is an amenable number.

86827709 is a deficient number, since it is larger than the sum of its proper divisors (2622211).

86827709 is a wasteful number, since it uses less digits than its factorization.

86827709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12051.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 86827709 is about 9318.1387089912. The cubic root of 86827709 is about 442.8120670984.

The spelling of 86827709 in words is "eighty-six million, eight hundred twenty-seven thousand, seven hundred nine".