5262685778 has 32 divisors (see below), whose sum is σ = 9626701440. Its totient is φ = 2107451520.

The previous prime is 5262685723. The next prime is 5262685781. The reversal of 5262685778 is 8775862625.

It is a happy number.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 116093 + ... + 154928.

It is an arithmetic number, because the mean of its divisors is an integer number (300834420).

Almost surely, 2^5262685778 is an apocalyptic number.

5262685778 is a deficient number, since it is larger than the sum of its proper divisors (4364015662).

5262685778 is a wasteful number, since it uses less digits than its factorization.

5262685778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271122.

The product of its digits is 11289600, while the sum is 56.

The square root of 5262685778 is about 72544.3710979701. The cubic root of 5262685778 is about 1739.4120726941.

The spelling of 5262685778 in words is "five billion, two hundred sixty-two million, six hundred eighty-five thousand, seven hundred seventy-eight".