855910073 has 8 divisors (see below), whose sum is σ = 858654720. Its totient is φ = 853171200.

The previous prime is 855910049. The next prime is 855910163. The reversal of 855910073 is 370019558.

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

It is a cyclic number.

It is not a de Polignac number, because 855910073 - 2⁶ = 855910009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855910673) 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 7 ways as a sum of consecutive naturals, for example, 743048 + ... + 744198.

It is an arithmetic number, because the mean of its divisors is an integer number (107331840).

Almost surely, 2^855910073 is an apocalyptic number.

It is an amenable number.

855910073 is a deficient number, since it is larger than the sum of its proper divisors (2744647).

855910073 is a wasteful number, since it uses less digits than its factorization.

855910073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 855910073 is about 29255.9408154993. The cubic root of 855910073 is about 949.4586289467.

The spelling of 855910073 in words is "eight hundred fifty-five million, nine hundred ten thousand, seventy-three".