79625846845439 has 2 divisors, whose sum is σ = 79625846845440. Its totient is φ = 79625846845438.

The previous prime is 79625846845409. The next prime is 79625846845463. The reversal of 79625846845439 is 93454864852697.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79625846845439 - 2³⁶ = 79557127368703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79625846845409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39812923422719 + 39812923422720.

It is an arithmetic number, because the mean of its divisors is an integer number (39812923422720).

Almost surely, 2^{79625846845439} is an apocalyptic number.

79625846845439 is a deficient number, since it is larger than the sum of its proper divisors (1).

79625846845439 is an equidigital number, since it uses as much as digits as its factorization.

79625846845439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12541132800, while the sum is 80.

The spelling of 79625846845439 in words is "seventy-nine trillion, six hundred twenty-five billion, eight hundred forty-six million, eight hundred forty-five thousand, four hundred thirty-nine".