854864973 has 6 divisors (see below), whose sum is σ = 1234804974. Its totient is φ = 569909976.

The previous prime is 854864957. The next prime is 854865013. The reversal of 854864973 is 379468458.

854864973 is a `hidden beast` number, since 8 + 548 + 6 + 4 + 97 + 3 = 666.

854864973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 748733769 + 106131204 = 27363^2 + 10302^2 .

It is not a de Polignac number, because 854864973 - 2⁴ = 854864957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854864173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47492490 + ... + 47492507.

It is an arithmetic number, because the mean of its divisors is an integer number (205800829).

Almost surely, 2^854864973 is an apocalyptic number.

It is an amenable number.

854864973 is a deficient number, since it is larger than the sum of its proper divisors (379940001).

854864973 is a wasteful number, since it uses less digits than its factorization.

854864973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94985003 (or 94985000 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 854864973 is about 29238.0740302777. The cubic root of 854864973 is about 949.0720293925.

The spelling of 854864973 in words is "eight hundred fifty-four million, eight hundred sixty-four thousand, nine hundred seventy-three".