86218198 has 16 divisors (see below), whose sum is σ = 141955776. Its totient is φ = 38948040.

The previous prime is 86218133. The next prime is 86218199. The reversal of 86218198 is 89181268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86218199) 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, 8436 + ... + 15607.

It is an arithmetic number, because the mean of its divisors is an integer number (8872236).

Almost surely, 2^86218198 is an apocalyptic number.

86218198 is a deficient number, since it is larger than the sum of its proper divisors (55737578).

86218198 is a wasteful number, since it uses less digits than its factorization.

86218198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24219.

The product of its digits is 55296, while the sum is 43.

The square root of 86218198 is about 9285.3754905227. The cubic root of 86218198 is about 441.7734860337.

The spelling of 86218198 in words is "eighty-six million, two hundred eighteen thousand, one hundred ninety-eight".