86954181 has 16 divisors (see below), whose sum is σ = 119585088. Its totient is φ = 56160000.

The previous prime is 86954177. The next prime is 86954207. The reversal of 86954181 is 18145968.

It is not a de Polignac number, because 86954181 - 2² = 86954177 is a prime.

It is a super-2 number, since 2×86954181² = 15122059186761522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86954171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26301 + ... + 29421.

It is an arithmetic number, because the mean of its divisors is an integer number (7474068).

Almost surely, 2^86954181 is an apocalyptic number.

It is an amenable number.

86954181 is a deficient number, since it is larger than the sum of its proper divisors (32630907).

86954181 is a wasteful number, since it uses less digits than its factorization.

86954181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412.

The product of its digits is 69120, while the sum is 42.

The square root of 86954181 is about 9324.9225734051. The cubic root of 86954181 is about 443.0269607046.

The spelling of 86954181 in words is "eighty-six million, nine hundred fifty-four thousand, one hundred eighty-one".