79422935819 has 2 divisors, whose sum is σ = 79422935820. Its totient is φ = 79422935818.

The previous prime is 79422935707. The next prime is 79422935831. The reversal of 79422935819 is 91853922497.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79422935819 - 2⁸ = 79422935563 is a prime.

It is a super-2 number, since 2×79422935819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79422932819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39711467909 + 39711467910.

It is an arithmetic number, because the mean of its divisors is an integer number (39711467910).

Almost surely, 2^79422935819 is an apocalyptic number.

79422935819 is a deficient number, since it is larger than the sum of its proper divisors (1).

79422935819 is an equidigital number, since it uses as much as digits as its factorization.

79422935819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 59.

The spelling of 79422935819 in words is "seventy-nine billion, four hundred twenty-two million, nine hundred thirty-five thousand, eight hundred nineteen".