79827841519 has 2 divisors, whose sum is σ = 79827841520. Its totient is φ = 79827841518.

The previous prime is 79827841469. The next prime is 79827841549. The reversal of 79827841519 is 91514872897.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79827841519 - 2¹⁵ = 79827808751 is a prime.

It is a super-2 number, since 2×79827841519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79827841549) 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, 39913920759 + 39913920760.

It is an arithmetic number, because the mean of its divisors is an integer number (39913920760).

Almost surely, 2^79827841519 is an apocalyptic number.

79827841519 is a deficient number, since it is larger than the sum of its proper divisors (1).

79827841519 is an equidigital number, since it uses as much as digits as its factorization.

79827841519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 61.

The spelling of 79827841519 in words is "seventy-nine billion, eight hundred twenty-seven million, eight hundred forty-one thousand, five hundred nineteen".