855254803 has 4 divisors (see below), whose sum is σ = 921043648. Its totient is φ = 789465960.

The previous prime is 855254783. The next prime is 855254849. The reversal of 855254803 is 308452558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308452558 = 2 ⋅154226279.

It is a cyclic number.

It is not a de Polignac number, because 855254803 - 2²⁵ = 821700371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855254903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32894403 + ... + 32894428.

It is an arithmetic number, because the mean of its divisors is an integer number (230260912).

Almost surely, 2^855254803 is an apocalyptic number.

855254803 is a deficient number, since it is larger than the sum of its proper divisors (65788845).

855254803 is a wasteful number, since it uses less digits than its factorization.

855254803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65788844.

The product of its (nonzero) digits is 192000, while the sum is 40.

The square root of 855254803 is about 29244.7397492267. The cubic root of 855254803 is about 949.2162707004.

The spelling of 855254803 in words is "eight hundred fifty-five million, two hundred fifty-four thousand, eight hundred three".