8111079789786 has 24 divisors (see below), whose sum is σ = 17596056438324. Its totient is φ = 2700300920640.

The previous prime is 8111079789781. The next prime is 8111079789887. The reversal of 8111079789786 is 6879879701118.

It can be written as a sum of positive squares in 2 ways, for example, as 7339087355625 + 771992434161 = 2709075^2 + 878631^2 .

It is not an unprimeable number, because it can be changed into a prime (8111079789781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282680475 + ... + 282709166.

Almost surely, 2^{8111079789786} is an apocalyptic number.

8111079789786 is an abundant number, since it is smaller than the sum of its proper divisors (9484976648538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8111079789786 is a wasteful number, since it uses less digits than its factorization.

8111079789786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565390446 (or 565390443 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 72.

The spelling of 8111079789786 in words is "eight trillion, one hundred eleven billion, seventy-nine million, seven hundred eighty-nine thousand, seven hundred eighty-six".