5221367786 has 4 divisors (see below), whose sum is σ = 7832051682. Its totient is φ = 2610683892.

The previous prime is 5221367779. The next prime is 5221367791. The reversal of 5221367786 is 6877631225.

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

It can be written as a sum of positive squares in only one way, i.e., 4378336561 + 843031225 = 66169^2 + 29035^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5221367786.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1305341945 + ... + 1305341948.

Almost surely, 2^5221367786 is an apocalyptic number.

5221367786 is a deficient number, since it is larger than the sum of its proper divisors (2610683896).

5221367786 is a wasteful number, since it uses less digits than its factorization.

5221367786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610683895.

The product of its digits is 846720, while the sum is 47.

The square root of 5221367786 is about 72259.0325564908. The cubic root of 5221367786 is about 1734.8479948331.

The spelling of 5221367786 in words is "five billion, two hundred twenty-one million, three hundred sixty-seven thousand, seven hundred eighty-six".