86446081 has 8 divisors (see below), whose sum is σ = 89056800. Its totient is φ = 83859360.

The previous prime is 86446069. The next prime is 86446091. The reversal of 86446081 is 18064468.

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 86446081 - 2¹⁹ = 85921793 is a prime.

It is a super-2 number, since 2×86446081² = 14945849840517122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86446081.

It is not an unprimeable number, because it can be changed into a prime (86446091) 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, 1450 + ... + 13228.

It is an arithmetic number, because the mean of its divisors is an integer number (11132100).

Almost surely, 2^86446081 is an apocalyptic number.

It is an amenable number.

86446081 is a deficient number, since it is larger than the sum of its proper divisors (2610719).

86446081 is a wasteful number, since it uses less digits than its factorization.

86446081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11999.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 86446081 is about 9297.6384636100. The cubic root of 86446081 is about 442.1623602459.

The spelling of 86446081 in words is "eighty-six million, four hundred forty-six thousand, eighty-one".