5266268278 has 16 divisors (see below), whose sum is σ = 8244879840. Its totient is φ = 2518031296.

The previous prime is 5266268257. The next prime is 5266268281. The reversal of 5266268278 is 8728626625.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215508 + ... + 238696.

It is an arithmetic number, because the mean of its divisors is an integer number (515304990).

Almost surely, 2^5266268278 is an apocalyptic number.

5266268278 is a deficient number, since it is larger than the sum of its proper divisors (2978611562).

5266268278 is a wasteful number, since it uses less digits than its factorization.

5266268278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28151.

The product of its digits is 3870720, while the sum is 52.

The square root of 5266268278 is about 72569.0586820582. The cubic root of 5266268278 is about 1739.8066766763.

The spelling of 5266268278 in words is "five billion, two hundred sixty-six million, two hundred sixty-eight thousand, two hundred seventy-eight".