86199144 has 16 divisors (see below), whose sum is σ = 215497920. Its totient is φ = 28733040.

The previous prime is 86199137. The next prime is 86199149. The reversal of 86199144 is 44199168.

It is a junction number, because it is equal to n+sod(n) for n = 86199096 and 86199105.

It is not an unprimeable number, because it can be changed into a prime (86199149) 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, 1795792 + ... + 1795839.

It is an arithmetic number, because the mean of its divisors is an integer number (13468620).

Almost surely, 2^86199144 is an apocalyptic number.

It is an amenable number.

86199144 is an abundant number, since it is smaller than the sum of its proper divisors (129298776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86199144 is a wasteful number, since it uses less digits than its factorization.

86199144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591640 (or 3591636 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 86199144 is about 9284.3494117789. The cubic root of 86199144 is about 441.7409400346.

The spelling of 86199144 in words is "eighty-six million, one hundred ninety-nine thousand, one hundred forty-four".