86784011 has 4 divisors (see below), whose sum is σ = 86970312. Its totient is φ = 86597712.

The previous prime is 86783999. The next prime is 86784041. The reversal of 86784011 is 11048768.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86784011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86784041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92450 + ... + 93383.

It is an arithmetic number, because the mean of its divisors is an integer number (21742578).

Almost surely, 2^86784011 is an apocalyptic number.

86784011 is a deficient number, since it is larger than the sum of its proper divisors (186301).

86784011 is a wasteful number, since it uses less digits than its factorization.

86784011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186300.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 86784011 is about 9315.7936323214. The cubic root of 86784011 is about 442.7377695846.

The spelling of 86784011 in words is "eighty-six million, seven hundred eighty-four thousand, eleven".