860986099 has 4 divisors (see below), whose sum is σ = 861050736. Its totient is φ = 860921464.

The previous prime is 860986079. The next prime is 860986109. The reversal of 860986099 is 990689068.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-860986099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860986039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4159 + ... + 41704.

It is an arithmetic number, because the mean of its divisors is an integer number (215262684).

Almost surely, 2^860986099 is an apocalyptic number.

860986099 is a deficient number, since it is larger than the sum of its proper divisors (64637).

860986099 is a wasteful number, since it uses less digits than its factorization.

860986099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64636.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 860986099 is about 29342.5646288800. The cubic root of 860986099 is about 951.3318711274.

The spelling of 860986099 in words is "eight hundred sixty million, nine hundred eighty-six thousand, ninety-nine".