86868190 has 16 divisors (see below), whose sum is σ = 164592720. Its totient is φ = 32918400.

The previous prime is 86868167. The next prime is 86868191. The reversal of 86868190 is 9186868.

It is a super-2 number, since 2×86868190² = 15092164867752200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86868190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86868191) 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 7 ways as a sum of consecutive naturals, for example, 228411 + ... + 228790.

It is an arithmetic number, because the mean of its divisors is an integer number (10287045).

Almost surely, 2^86868190 is an apocalyptic number.

86868190 is a deficient number, since it is larger than the sum of its proper divisors (77724530).

86868190 is a wasteful number, since it uses less digits than its factorization.

86868190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457227.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 86868190 is about 9320.3106171415. The cubic root of 86868190 is about 442.8808726693.

The spelling of 86868190 in words is "eighty-six million, eight hundred sixty-eight thousand, one hundred ninety".