86665233 has 8 divisors (see below), whose sum is σ = 115668000. Its totient is φ = 57719648.

The previous prime is 86665231. The next prime is 86665247. The reversal of 86665233 is 33256668.

It is a happy number.

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 86665233 - 2¹ = 86665231 is a prime.

It is a super-2 number, since 2×86665233² = 15021725221888578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86665191 and 86665200.

It is not an unprimeable number, because it can be changed into a prime (86665231) 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, 10623 + ... + 16916.

It is an arithmetic number, because the mean of its divisors is an integer number (14458500).

Almost surely, 2^86665233 is an apocalyptic number.

It is an amenable number.

86665233 is a deficient number, since it is larger than the sum of its proper divisors (29002767).

86665233 is a wasteful number, since it uses less digits than its factorization.

86665233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28591.

The product of its digits is 155520, while the sum is 39.

The square root of 86665233 is about 9309.4163619424. The cubic root of 86665233 is about 442.5356912065.

The spelling of 86665233 in words is "eighty-six million, six hundred sixty-five thousand, two hundred thirty-three".