855007838 has 8 divisors (see below), whose sum is σ = 1323883200. Its totient is φ = 413713440.

The previous prime is 855007799. The next prime is 855007873. The reversal of 855007838 is 838700558.

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

It is a congruent number.

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, 6895163 + ... + 6895286.

It is an arithmetic number, because the mean of its divisors is an integer number (165485400).

Almost surely, 2^855007838 is an apocalyptic number.

855007838 is a deficient number, since it is larger than the sum of its proper divisors (468875362).

855007838 is a wasteful number, since it uses less digits than its factorization.

855007838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13790482.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 855007838 is about 29240.5170610918. The cubic root of 855007838 is about 949.1248960741.

The spelling of 855007838 in words is "eight hundred fifty-five million, seven thousand, eight hundred thirty-eight".