86111481 has 4 divisors (see below), whose sum is σ = 114815312. Its totient is φ = 57407652.

The previous prime is 86111449. The next prime is 86111483. The reversal of 86111481 is 18411168.

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 not a de Polignac number, because 86111481 - 2⁵ = 86111449 is a prime.

It is a super-2 number, since 2×86111481² = 14830374320026722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86111483) 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, 14351911 + ... + 14351916.

It is an arithmetic number, because the mean of its divisors is an integer number (28703828).

Almost surely, 2^86111481 is an apocalyptic number.

It is an amenable number.

86111481 is a deficient number, since it is larger than the sum of its proper divisors (28703831).

86111481 is a wasteful number, since it uses less digits than its factorization.

86111481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28703830.

The product of its digits is 1536, while the sum is 30.

The square root of 86111481 is about 9279.6272015636. The cubic root of 86111481 is about 441.5911416764.

The spelling of 86111481 in words is "eighty-six million, one hundred eleven thousand, four hundred eighty-one".