855479084 has 12 divisors (see below), whose sum is σ = 1512522984. Its totient is φ = 423329664.

The previous prime is 855479059. The next prime is 855479137. The reversal of 855479084 is 480974558.

It is a super-2 number, since 2×855479084² = 1463688926322958112, which contains 22 as substring.

It is an unprimeable number.

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, 1102034 + ... + 1102809.

It is an arithmetic number, because the mean of its divisors is an integer number (126043582).

Almost surely, 2^855479084 is an apocalyptic number.

It is an amenable number.

855479084 is a deficient number, since it is larger than the sum of its proper divisors (657043900).

855479084 is a wasteful number, since it uses less digits than its factorization.

855479084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204944 (or 2204942 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The square root of 855479084 is about 29248.5740507123. The cubic root of 855479084 is about 949.2992372296.

The spelling of 855479084 in words is "eight hundred fifty-five million, four hundred seventy-nine thousand, eighty-four".