86435816 has 16 divisors (see below), whose sum is σ = 162204000. Its totient is φ = 43181424.

The previous prime is 86435813. The next prime is 86435851. The reversal of 86435816 is 61853468.

It is not an unprimeable number, because it can be changed into a prime (86435813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7331 + ... + 15053.

It is an arithmetic number, because the mean of its divisors is an integer number (10137750).

Almost surely, 2^86435816 is an apocalyptic number.

It is an amenable number.

86435816 is a deficient number, since it is larger than the sum of its proper divisors (75768184).

86435816 is a wasteful number, since it uses less digits than its factorization.

86435816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9128 (or 9124 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 86435816 is about 9297.0864253270. The cubic root of 86435816 is about 442.1448580980.

The spelling of 86435816 in words is "eighty-six million, four hundred thirty-five thousand, eight hundred sixteen".