86566497 has 8 divisors (see below), whose sum is σ = 115520256. Its totient is φ = 57661872.

The previous prime is 86566481. The next prime is 86566523. The reversal of 86566497 is 79466568.

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

It is not a de Polignac number, because 86566497 - 2⁴ = 86566481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86566897) 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, 7953 + ... + 15374.

It is an arithmetic number, because the mean of its divisors is an integer number (14440032).

Almost surely, 2^86566497 is an apocalyptic number.

It is an amenable number.

86566497 is a deficient number, since it is larger than the sum of its proper divisors (28953759).

86566497 is a wasteful number, since it uses less digits than its factorization.

86566497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24567.

The product of its digits is 2177280, while the sum is 51.

The square root of 86566497 is about 9304.1118329478. Note that the first 3 decimals coincide. The cubic root of 86566497 is about 442.3675699337.

The spelling of 86566497 in words is "eighty-six million, five hundred sixty-six thousand, four hundred ninety-seven".