86506747 has 8 divisors (see below), whose sum is σ = 87253344. Its totient is φ = 85763328.

The previous prime is 86506741. The next prime is 86506751. The reversal of 86506747 is 74760568.

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 86506747 - 2⁷ = 86506619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86506741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116058 + ... + 116800.

It is an arithmetic number, because the mean of its divisors is an integer number (10906668).

Almost surely, 2^86506747 is an apocalyptic number.

86506747 is a deficient number, since it is larger than the sum of its proper divisors (746597).

86506747 is a wasteful number, since it uses less digits than its factorization.

86506747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 86506747 is about 9300.9003327635. The cubic root of 86506747 is about 442.2657694037.

The spelling of 86506747 in words is "eighty-six million, five hundred six thousand, seven hundred forty-seven".