855553924617 has 8 divisors (see below), whose sum is σ = 1303701218496. Its totient is φ = 488887956912.

The previous prime is 855553924567. The next prime is 855553924663. The reversal of 855553924617 is 716429355558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 855553924617 - 2²³ = 855545536009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855553925617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20370331518 + ... + 20370331559.

It is an arithmetic number, because the mean of its divisors is an integer number (162962652312).

Almost surely, 2^855553924617 is an apocalyptic number.

It is an amenable number.

855553924617 is a deficient number, since it is larger than the sum of its proper divisors (448147293879).

855553924617 is a wasteful number, since it uses less digits than its factorization.

855553924617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40740663087.

The product of its digits is 45360000, while the sum is 60.

The spelling of 855553924617 in words is "eight hundred fifty-five billion, five hundred fifty-three million, nine hundred twenty-four thousand, six hundred seventeen".