855863416 has 8 divisors (see below), whose sum is σ = 1604743920. Its totient is φ = 427931704.

The previous prime is 855863401. The next prime is 855863429. The reversal of 855863416 is 614368558.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 53491456 + ... + 53491471.

It is an arithmetic number, because the mean of its divisors is an integer number (200592990).

Almost surely, 2^855863416 is an apocalyptic number.

It is an amenable number.

855863416 is a deficient number, since it is larger than the sum of its proper divisors (748880504).

855863416 is a wasteful number, since it uses less digits than its factorization.

855863416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106982933 (or 106982929 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 855863416 is about 29255.1434110312. The cubic root of 855863416 is about 949.4413764737.

The spelling of 855863416 in words is "eight hundred fifty-five million, eight hundred sixty-three thousand, four hundred sixteen".