86124811 has 8 divisors (see below), whose sum is σ = 89994240. Its totient is φ = 82265832.

The previous prime is 86124793. The next prime is 86124869. The reversal of 86124811 is 11842168.

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 86124811 - 2¹³ = 86116619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86124881) 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, 17680 + ... + 22018.

It is an arithmetic number, because the mean of its divisors is an integer number (11249280).

Almost surely, 2^86124811 is an apocalyptic number.

86124811 is a deficient number, since it is larger than the sum of its proper divisors (3869429).

86124811 is a wasteful number, since it uses less digits than its factorization.

86124811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225.

The product of its digits is 3072, while the sum is 31.

The square root of 86124811 is about 9280.3454138302. The cubic root of 86124811 is about 441.6139265058.

Adding to 86124811 its reverse (11842168), we get a palindrome (97966979).

The spelling of 86124811 in words is "eighty-six million, one hundred twenty-four thousand, eight hundred eleven".