86199199124 has 6 divisors (see below), whose sum is σ = 150848598474. Its totient is φ = 43099599560.

The previous prime is 86199199087. The next prime is 86199199129. The reversal of 86199199124 is 42199199168.

It can be written as a sum of positive squares in only one way, i.e., 84575109124 + 1624090000 = 290818^2 + 40300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86199199129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10774899887 + ... + 10774899894.

It is an arithmetic number, because the mean of its divisors is an integer number (25141433079).

Almost surely, 2^86199199124 is an apocalyptic number.

It is an amenable number.

86199199124 is a deficient number, since it is larger than the sum of its proper divisors (64649399350).

86199199124 is a wasteful number, since it uses less digits than its factorization.

86199199124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21549799785 (or 21549799783 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 59.

The spelling of 86199199124 in words is "eighty-six billion, one hundred ninety-nine million, one hundred ninety-nine thousand, one hundred twenty-four".