855878016 has 64 divisors (see below), whose sum is σ = 2598209280. Its totient is φ = 244535808.

The previous prime is 855877999. The next prime is 855878017. The reversal of 855878016 is 610878558.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855878017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156516 + ... + 161891.

It is an arithmetic number, because the mean of its divisors is an integer number (40597020).

Almost surely, 2^855878016 is an apocalyptic number.

It is an amenable number.

855878016 is an abundant number, since it is smaller than the sum of its proper divisors (1742331264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855878016 is a wasteful number, since it uses less digits than its factorization.

855878016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318431 (or 318419 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 48.

The square root of 855878016 is about 29255.3929387387. The cubic root of 855878016 is about 949.4467752188.

The spelling of 855878016 in words is "eight hundred fifty-five million, eight hundred seventy-eight thousand, sixteen".