855880368 has 80 divisors (see below), whose sum is σ = 2675543040. Its totient is φ = 230151168.

The previous prime is 855880367. The next prime is 855880369. The reversal of 855880368 is 863088558.

It is an interprime number because it is at equal distance from previous prime (855880367) and next prime (855880369).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 855880368.

It is not an unprimeable number, because it can be changed into a prime (855880367) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 69208 + ... + 80631.

It is an arithmetic number, because the mean of its divisors is an integer number (33444288).

Almost surely, 2^855880368 is an apocalyptic number.

It is an amenable number.

855880368 is an abundant number, since it is smaller than the sum of its proper divisors (1819662672).

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

855880368 is a wasteful number, since it uses less digits than its factorization.

855880368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149874 (or 149868 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 51.

The square root of 855880368 is about 29255.4331364278. The cubic root of 855880368 is about 949.4476449287.

The spelling of 855880368 in words is "eight hundred fifty-five million, eight hundred eighty thousand, three hundred sixty-eight".