79646435829 has 6 divisors (see below), whose sum is σ = 115044851766. Its totient is φ = 53097623880.

The previous prime is 79646435819. The next prime is 79646435831. The reversal of 79646435829 is 92853464697.

79646435829 is a `hidden beast` number, since 7 + 9 + 6 + 4 + 6 + 43 + 582 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 76285335204 + 3361100625 = 276198^2 + 57975^2 .

It is not a de Polignac number, because 79646435829 - 2⁸ = 79646435573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79646435819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4424801982 + ... + 4424801999.

It is an arithmetic number, because the mean of its divisors is an integer number (19174141961).

Almost surely, 2^79646435829 is an apocalyptic number.

It is an amenable number.

79646435829 is a deficient number, since it is larger than the sum of its proper divisors (35398415937).

79646435829 is a wasteful number, since it uses less digits than its factorization.

79646435829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8849603987 (or 8849603984 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 79646435829 in words is "seventy-nine billion, six hundred forty-six million, four hundred thirty-five thousand, eight hundred twenty-nine".