86816635 has 8 divisors (see below), whose sum is σ = 104613696. Its totient is φ = 69164160.

The previous prime is 86816629. The next prime is 86816677. The reversal of 86816635 is 53661868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86816635 - 2³ = 86816627 is a prime.

It is a super-2 number, since 2×86816635² = 15074256225446450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86816591 and 86816600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34819 + ... + 37228.

It is an arithmetic number, because the mean of its divisors is an integer number (13076712).

Almost surely, 2^86816635 is an apocalyptic number.

86816635 is a deficient number, since it is larger than the sum of its proper divisors (17797061).

86816635 is a wasteful number, since it uses less digits than its factorization.

86816635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72293.

The product of its digits is 207360, while the sum is 43.

The square root of 86816635 is about 9317.5444726602. The cubic root of 86816635 is about 442.7932408912.

The spelling of 86816635 in words is "eighty-six million, eight hundred sixteen thousand, six hundred thirty-five".