855868419700 has 144 divisors (see below), whose sum is σ = 2306341273600. Its totient is φ = 269028604800.

The previous prime is 855868419689. The next prime is 855868419701. The reversal of 855868419700 is 7914868558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855868419701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 625620 + ... + 1450219.

Almost surely, 2^855868419700 is an apocalyptic number.

It is an amenable number.

855868419700 is an abundant number, since it is smaller than the sum of its proper divisors (1450472853900).

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

855868419700 is a wasteful number, since it uses less digits than its factorization.

855868419700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075910 (or 2075903 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 61.

The spelling of 855868419700 in words is "eight hundred fifty-five billion, eight hundred sixty-eight million, four hundred nineteen thousand, seven hundred".