5186855854 has 4 divisors (see below), whose sum is σ = 7780283784. Its totient is φ = 2593427926.

The previous prime is 5186855851. The next prime is 5186855881. The reversal of 5186855854 is 4585586815.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×5186855854³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5186855795 and 5186855804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5186855851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1296713962 + ... + 1296713965.

It is an arithmetic number, because the mean of its divisors is an integer number (1945070946).

Almost surely, 2^5186855854 is an apocalyptic number.

5186855854 is a deficient number, since it is larger than the sum of its proper divisors (2593427930).

5186855854 is a wasteful number, since it uses less digits than its factorization.

5186855854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593427929.

The product of its digits is 7680000, while the sum is 55.

The square root of 5186855854 is about 72019.8295888014. The cubic root of 5186855854 is about 1731.0172388504.

The spelling of 5186855854 in words is "five billion, one hundred eighty-six million, eight hundred fifty-five thousand, eight hundred fifty-four".