7979488741 has 12 divisors (see below), whose sum is σ = 9322809420. Its totient is φ = 6809685120.

The previous prime is 7979488721. The next prime is 7979488793. The reversal of 7979488741 is 1478849797.

It can be written as a sum of positive squares in 2 ways, for example, as 4823858116 + 3155630625 = 69454^2 + 56175^2 .

It is not a de Polignac number, because 7979488741 - 2⁹ = 7979488229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7979488721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344340 + ... + 366781.

It is an arithmetic number, because the mean of its divisors is an integer number (776900785).

Almost surely, 2^7979488741 is an apocalyptic number.

It is an amenable number.

7979488741 is a deficient number, since it is larger than the sum of its proper divisors (1343320679).

7979488741 is a wasteful number, since it uses less digits than its factorization.

7979488741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711364 (or 711357 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 64.

The square root of 7979488741 is about 89327.9840867351. The cubic root of 7979488741 is about 1998.2892655277.

The spelling of 7979488741 in words is "seven billion, nine hundred seventy-nine million, four hundred eighty-eight thousand, seven hundred forty-one".