854473903 has 4 divisors (see below), whose sum is σ = 854562240. Its totient is φ = 854385568.

The previous prime is 854473877. The next prime is 854473933. The reversal of 854473903 is 309374458.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 309374458 = 2 ⋅154687229.

It is a cyclic number.

It is not a de Polignac number, because 854473903 - 2²¹ = 852376751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 854473903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854473933) 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 3 ways as a sum of consecutive naturals, for example, 27583 + ... + 49696.

It is an arithmetic number, because the mean of its divisors is an integer number (213640560).

Almost surely, 2^854473903 is an apocalyptic number.

854473903 is a deficient number, since it is larger than the sum of its proper divisors (88337).

854473903 is a wasteful number, since it uses less digits than its factorization.

854473903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88336.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 854473903 is about 29231.3855812550. The cubic root of 854473903 is about 948.9272852044.

The spelling of 854473903 in words is "eight hundred fifty-four million, four hundred seventy-three thousand, nine hundred three".