79646435827 has 16 divisors (see below), whose sum is σ = 91658568960. Its totient is φ = 67794473952.

The previous prime is 79646435819. The next prime is 79646435831. The reversal of 79646435827 is 72853464697.

It is a cyclic number.

It is not a de Polignac number, because 79646435827 - 2³ = 79646435819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79646435887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511824 + ... + 649042.

It is an arithmetic number, because the mean of its divisors is an integer number (5728660560).

Almost surely, 2^79646435827 is an apocalyptic number.

79646435827 is a deficient number, since it is larger than the sum of its proper divisors (12012133133).

79646435827 is a wasteful number, since it uses less digits than its factorization.

79646435827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137802.

The product of its digits is 60963840, while the sum is 61.

The spelling of 79646435827 in words is "seventy-nine billion, six hundred forty-six million, four hundred thirty-five thousand, eight hundred twenty-seven".