79901141 has 2 divisors, whose sum is σ = 79901142. Its totient is φ = 79901140.

The previous prime is 79901113. The next prime is 79901179. The reversal of 79901141 is 14110997.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74476900 + 5424241 = 8630^2 + 2329^2 .

It is an emirp because it is prime and its reverse (14110997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79901141 - 2¹⁴ = 79884757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 79901098 and 79901107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79901741) 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, 39950570 + 39950571.

It is an arithmetic number, because the mean of its divisors is an integer number (39950571).

Almost surely, 2^79901141 is an apocalyptic number.

It is an amenable number.

79901141 is a deficient number, since it is larger than the sum of its proper divisors (1).

79901141 is an equidigital number, since it uses as much as digits as its factorization.

79901141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 79901141 is about 8938.7438155481. The cubic root of 79901141 is about 430.7093771309.

The spelling of 79901141 in words is "seventy-nine million, nine hundred one thousand, one hundred forty-one".