7949785829 has 2 divisors, whose sum is σ = 7949785830. Its totient is φ = 7949785828.

The previous prime is 7949785819. The next prime is 7949785859. The reversal of 7949785829 is 9285879497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5864036929 + 2085748900 = 76577^2 + 45670^2 .

It is a cyclic number.

It is not a de Polignac number, because 7949785829 - 2¹² = 7949781733 is a prime.

It is a super-3 number, since 3×7949785829³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7949785819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3974892914 + 3974892915.

It is an arithmetic number, because the mean of its divisors is an integer number (3974892915).

Almost surely, 2^7949785829 is an apocalyptic number.

It is an amenable number.

7949785829 is a deficient number, since it is larger than the sum of its proper divisors (1).

7949785829 is an equidigital number, since it uses as much as digits as its factorization.

7949785829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91445760, while the sum is 68.

The square root of 7949785829 is about 89161.5714812161. The cubic root of 7949785829 is about 1995.8067000121.

The spelling of 7949785829 in words is "seven billion, nine hundred forty-nine million, seven hundred eighty-five thousand, eight hundred twenty-nine".