79829741 has 2 divisors, whose sum is σ = 79829742. Its totient is φ = 79829740.

The previous prime is 79829669. The next prime is 79829749. The reversal of 79829741 is 14792897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57229225 + 22600516 = 7565^2 + 4754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79829741 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79829749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39914870 + 39914871.

It is an arithmetic number, because the mean of its divisors is an integer number (39914871).

Almost surely, 2^79829741 is an apocalyptic number.

It is an amenable number.

79829741 is a deficient number, since it is larger than the sum of its proper divisors (1).

79829741 is an equidigital number, since it uses as much as digits as its factorization.

79829741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 47.

The square root of 79829741 is about 8934.7490731413. The cubic root of 79829741 is about 430.5810443189.

The spelling of 79829741 in words is "seventy-nine million, eight hundred twenty-nine thousand, seven hundred forty-one".