79811436535 has 16 divisors (see below), whose sum is σ = 96241950720. Its totient is φ = 63537374880.

The previous prime is 79811436527. The next prime is 79811436563. The reversal of 79811436535 is 53563411897.

It is not a de Polignac number, because 79811436535 - 2³ = 79811436527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1735144 + ... + 1780546.

It is an arithmetic number, because the mean of its divisors is an integer number (6015121920).

Almost surely, 2^79811436535 is an apocalyptic number.

79811436535 is a deficient number, since it is larger than the sum of its proper divisors (16430514185).

79811436535 is a wasteful number, since it uses less digits than its factorization.

79811436535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47118.

The product of its digits is 2721600, while the sum is 52.

The spelling of 79811436535 in words is "seventy-nine billion, eight hundred eleven million, four hundred thirty-six thousand, five hundred thirty-five".