4805775823 has 4 divisors (see below), whose sum is σ = 4833555048. Its totient is φ = 4777996600.

The previous prime is 4805775769. The next prime is 4805775827. The reversal of 4805775823 is 3285775084.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4805775823 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4805775827) 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, 13889353 + ... + 13889698.

It is an arithmetic number, because the mean of its divisors is an integer number (1208388762).

Almost surely, 2^4805775823 is an apocalyptic number.

4805775823 is a deficient number, since it is larger than the sum of its proper divisors (27779225).

4805775823 is a wasteful number, since it uses less digits than its factorization.

4805775823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27779224.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The square root of 4805775823 is about 69323.7031829662. The cubic root of 4805775823 is about 1687.5416590941.

The spelling of 4805775823 in words is "four billion, eight hundred five million, seven hundred seventy-five thousand, eight hundred twenty-three".