5200865881 has 4 divisors (see below), whose sum is σ = 5201518500. Its totient is φ = 5200213264.

The previous prime is 5200865863. The next prime is 5200865893. The reversal of 5200865881 is 1885680025.

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 1804890256 + 3395975625 = 42484^2 + 58275^2 .

It is a cyclic number.

It is not a de Polignac number, because 5200865881 - 2⁵ = 5200865849 is a prime.

It is a super-2 number, since 2×5200865881² = 54098011824299812322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5200865851) 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, 314206 + ... + 330343.

It is an arithmetic number, because the mean of its divisors is an integer number (1300379625).

Almost surely, 2^5200865881 is an apocalyptic number.

It is an amenable number.

5200865881 is a deficient number, since it is larger than the sum of its proper divisors (652619).

5200865881 is an equidigital number, since it uses as much as digits as its factorization.

5200865881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652618.

The product of its (nonzero) digits is 153600, while the sum is 43.

The square root of 5200865881 is about 72117.0290638764. The cubic root of 5200865881 is about 1732.5743668811.

The spelling of 5200865881 in words is "five billion, two hundred million, eight hundred sixty-five thousand, eight hundred eighty-one".