86641635 has 8 divisors (see below), whose sum is σ = 138626640. Its totient is φ = 46208864.

The previous prime is 86641627. The next prime is 86641649. The reversal of 86641635 is 53614668.

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 86641635 - 2³ = 86641627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86641593 and 86641602.

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 7 ways as a sum of consecutive naturals, for example, 2888040 + ... + 2888069.

It is an arithmetic number, because the mean of its divisors is an integer number (17328330).

Almost surely, 2^86641635 is an apocalyptic number.

86641635 is a deficient number, since it is larger than the sum of its proper divisors (51985005).

86641635 is a wasteful number, since it uses less digits than its factorization.

86641635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5776117.

The product of its digits is 103680, while the sum is 39.

The square root of 86641635 is about 9308.1488492611. The cubic root of 86641635 is about 442.4955216758.

The spelling of 86641635 in words is "eighty-six million, six hundred forty-one thousand, six hundred thirty-five".