855473605 has 24 divisors (see below), whose sum is σ = 1221957792. Its totient is φ = 572961312.

The previous prime is 855473599. The next prime is 855473611. The reversal of 855473605 is 506374558.

It is an interprime number because it is at equal distance from previous prime (855473599) and next prime (855473611).

It is not a de Polignac number, because 855473605 - 2⁵ = 855473573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30067 + ... + 51136.

It is an arithmetic number, because the mean of its divisors is an integer number (50914908).

Almost surely, 2^855473605 is an apocalyptic number.

It is an amenable number.

855473605 is a deficient number, since it is larger than the sum of its proper divisors (366484187).

855473605 is a wasteful number, since it uses less digits than its factorization.

855473605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81265 (or 81258 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 855473605 is about 29248.4803878766. The cubic root of 855473605 is about 949.2972105984.

The spelling of 855473605 in words is "eight hundred fifty-five million, four hundred seventy-three thousand, six hundred five".