855392471 has 12 divisors (see below), whose sum is σ = 916033440. Its totient is φ = 798225120.

The previous prime is 855392459. The next prime is 855392479. The reversal of 855392471 is 174293558.

It is not a de Polignac number, because 855392471 - 2¹⁰ = 855391447 is a prime.

It is a super-3 number, since 3×855392471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855392479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1970 + ... + 41408.

It is an arithmetic number, because the mean of its divisors is an integer number (76336120).

Almost surely, 2^855392471 is an apocalyptic number.

855392471 is a deficient number, since it is larger than the sum of its proper divisors (60640969).

855392471 is a wasteful number, since it uses less digits than its factorization.

855392471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39526 (or 39503 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 855392471 is about 29247.0933769494. The cubic root of 855392471 is about 949.2671988737.

The spelling of 855392471 in words is "eight hundred fifty-five million, three hundred ninety-two thousand, four hundred seventy-one".