5185863898 has 16 divisors (see below), whose sum is σ = 8022389760. Its totient is φ = 2512683936.

The previous prime is 5185863791. The next prime is 5185863901. The reversal of 5185863898 is 8983685815.

It is an unprimeable number.

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, 226483 + ... + 248326.

It is an arithmetic number, because the mean of its divisors is an integer number (501399360).

Almost surely, 2^5185863898 is an apocalyptic number.

5185863898 is a deficient number, since it is larger than the sum of its proper divisors (2836525862).

5185863898 is a wasteful number, since it uses less digits than its factorization.

5185863898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474981.

The product of its digits is 16588800, while the sum is 61.

The square root of 5185863898 is about 72012.9425728459. The cubic root of 5185863898 is about 1730.9068828237.

The spelling of 5185863898 in words is "five billion, one hundred eighty-five million, eight hundred sixty-three thousand, eight hundred ninety-eight".