79646435828 has 12 divisors (see below), whose sum is σ = 141145583040. Its totient is φ = 39319126392.

The previous prime is 79646435819. The next prime is 79646435831. The reversal of 79646435828 is 82853464697.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 126022526 + ... + 126023157.

It is an arithmetic number, because the mean of its divisors is an integer number (11762131920).

Almost surely, 2^79646435828 is an apocalyptic number.

It is an amenable number.

79646435828 is a deficient number, since it is larger than the sum of its proper divisors (61499147212).

79646435828 is a wasteful number, since it uses less digits than its factorization.

79646435828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252045766 (or 252045764 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 62.

The spelling of 79646435828 in words is "seventy-nine billion, six hundred forty-six million, four hundred thirty-five thousand, eight hundred twenty-eight".