5279268861 has 6 divisors (see below), whose sum is σ = 7625610590. Its totient is φ = 3519512568.

The previous prime is 5279268767. The next prime is 5279268871. The reversal of 5279268861 is 1688629725.

It can be written as a sum of positive squares in only one way, i.e., 2908552761 + 2370716100 = 53931^2 + 48690^2 .

It is not a de Polignac number, because 5279268861 - 2¹⁰ = 5279267837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5279268798 and 5279268807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5279268871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293292706 + ... + 293292723.

Almost surely, 2^5279268861 is an apocalyptic number.

It is an amenable number.

5279268861 is a deficient number, since it is larger than the sum of its proper divisors (2346341729).

5279268861 is a wasteful number, since it uses less digits than its factorization.

5279268861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586585435 (or 586585432 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 5279268861 is about 72658.5773394993. The cubic root of 5279268861 is about 1741.2371591985.

The spelling of 5279268861 in words is "five billion, two hundred seventy-nine million, two hundred sixty-eight thousand, eight hundred sixty-one".