79827841453 has 2 divisors, whose sum is σ = 79827841454. Its totient is φ = 79827841452.

The previous prime is 79827841427. The next prime is 79827841469. The reversal of 79827841453 is 35414872897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63228611209 + 16599230244 = 251453^2 + 128838^2 .

It is a cyclic number.

It is not a de Polignac number, because 79827841453 - 2⁵ = 79827841421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79827848453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39913920726 + 39913920727.

It is an arithmetic number, because the mean of its divisors is an integer number (39913920727).

Almost surely, 2^79827841453 is an apocalyptic number.

It is an amenable number.

79827841453 is a deficient number, since it is larger than the sum of its proper divisors (1).

79827841453 is an equidigital number, since it uses as much as digits as its factorization.

79827841453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13547520, while the sum is 58.

The spelling of 79827841453 in words is "seventy-nine billion, eight hundred twenty-seven million, eight hundred forty-one thousand, four hundred fifty-three".