5178830746 has 4 divisors (see below), whose sum is σ = 7768246122. Its totient is φ = 2589415372.

The previous prime is 5178830743. The next prime is 5178830753. The reversal of 5178830746 is 6470388715.

It is a happy number.

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., 3159676521 + 2019154225 = 56211^2 + 44935^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5178830746.

It is not an unprimeable number, because it can be changed into a prime (5178830743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1294707685 + ... + 1294707688.

Almost surely, 2^5178830746 is an apocalyptic number.

5178830746 is a deficient number, since it is larger than the sum of its proper divisors (2589415376).

5178830746 is a wasteful number, since it uses less digits than its factorization.

5178830746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589415375.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 5178830746 is about 71964.0934494419. The cubic root of 5178830746 is about 1730.1240342313.

The spelling of 5178830746 in words is "five billion, one hundred seventy-eight million, eight hundred thirty thousand, seven hundred forty-six".