855078471 has 16 divisors (see below), whose sum is σ = 1364228320. Its totient is φ = 526201920.

The previous prime is 855078467. The next prime is 855078481. The reversal of 855078471 is 174870558.

It is a happy number.

It is not a de Polignac number, because 855078471 - 2² = 855078467 is a prime.

It is a super-3 number, since 3×855078471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855078481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217710 + ... + 1218411.

It is an arithmetic number, because the mean of its divisors is an integer number (85264270).

Almost surely, 2^855078471 is an apocalyptic number.

855078471 is a deficient number, since it is larger than the sum of its proper divisors (509149849).

855078471 is a wasteful number, since it uses less digits than its factorization.

855078471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436143 (or 2436137 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 855078471 is about 29241.7248294282. The cubic root of 855078471 is about 949.1510313872.

The spelling of 855078471 in words is "eight hundred fifty-five million, seventy-eight thousand, four hundred seventy-one".