86450081 has 4 divisors (see below), whose sum is σ = 88460592. Its totient is φ = 84439572.

The previous prime is 86450071. The next prime is 86450113. The reversal of 86450081 is 18005468.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86450081 - 2²² = 82255777 is a prime.

It is a super-2 number, since 2×86450081² = 14947233009813122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86450071) 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, 1005191 + ... + 1005276.

It is an arithmetic number, because the mean of its divisors is an integer number (22115148).

Almost surely, 2^86450081 is an apocalyptic number.

It is an amenable number.

86450081 is a deficient number, since it is larger than the sum of its proper divisors (2010511).

86450081 is a wasteful number, since it uses less digits than its factorization.

86450081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010510.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 86450081 is about 9297.8535695073. The cubic root of 86450081 is about 442.1691799966.

The spelling of 86450081 in words is "eighty-six million, four hundred fifty thousand, eighty-one".