5281777793 has 4 divisors (see below), whose sum is σ = 5330234580. Its totient is φ = 5233321008.

The previous prime is 5281777789. The next prime is 5281777819. The reversal of 5281777793 is 3977771825.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4831362064 + 450415729 = 69508^2 + 21223^2 .

It is a cyclic number.

It is not a de Polignac number, because 5281777793 - 2² = 5281777789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5281777993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24228230 + ... + 24228447.

It is an arithmetic number, because the mean of its divisors is an integer number (1332558645).

Almost surely, 2^5281777793 is an apocalyptic number.

It is an amenable number.

5281777793 is a deficient number, since it is larger than the sum of its proper divisors (48456787).

5281777793 is a wasteful number, since it uses less digits than its factorization.

5281777793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48456786.

The product of its digits is 5186160, while the sum is 56.

The square root of 5281777793 is about 72675.8405042556. The cubic root of 5281777793 is about 1741.5129520448.

The spelling of 5281777793 in words is "five billion, two hundred eighty-one million, seven hundred seventy-seven thousand, seven hundred ninety-three".