5278857886 has 8 divisors (see below), whose sum is σ = 7919357040. Its totient is φ = 2639072208.

The previous prime is 5278857869. The next prime is 5278857911. The reversal of 5278857886 is 6887588725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×5278857886³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159471 + ... + 189706.

It is an arithmetic number, because the mean of its divisors is an integer number (989919630).

Almost surely, 2^5278857886 is an apocalyptic number.

5278857886 is a deficient number, since it is larger than the sum of its proper divisors (2640499154).

5278857886 is a wasteful number, since it uses less digits than its factorization.

5278857886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356738.

The product of its digits is 60211200, while the sum is 64.

The square root of 5278857886 is about 72655.7491599942. The cubic root of 5278857886 is about 1741.1919746897.

The spelling of 5278857886 in words is "five billion, two hundred seventy-eight million, eight hundred fifty-seven thousand, eight hundred eighty-six".