5379391786 has 16 divisors (see below), whose sum is σ = 8096267520. Its totient is φ = 2680650720.

The previous prime is 5379391711. The next prime is 5379391789. The reversal of 5379391786 is 6871939735.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5379391786.

It is not an unprimeable number, because it can be changed into a prime (5379391789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902805 + ... + 908743.

It is an arithmetic number, because the mean of its divisors is an integer number (506016720).

Almost surely, 2^5379391786 is an apocalyptic number.

5379391786 is a deficient number, since it is larger than the sum of its proper divisors (2716875734).

5379391786 is a wasteful number, since it uses less digits than its factorization.

5379391786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7389.

The product of its digits is 8573040, while the sum is 58.

The square root of 5379391786 is about 73344.3371092820. The cubic root of 5379391786 is about 1752.1759909963.

The spelling of 5379391786 in words is "five billion, three hundred seventy-nine million, three hundred ninety-one thousand, seven hundred eighty-six".