83966709195 has 12 divisors (see below), whose sum is σ = 145542296016. Its totient is φ = 44782244880.

The previous prime is 83966709193. The next prime is 83966709269. The reversal of 83966709195 is 59190766938.

83966709195 is a `hidden beast` number, since 8 + 396 + 6 + 70 + 91 + 95 = 666.

It is not a de Polignac number, because 83966709195 - 2¹ = 83966709193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83966709191) 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, 932963391 + ... + 932963480.

It is an arithmetic number, because the mean of its divisors is an integer number (12128524668).

Almost surely, 2^83966709195 is an apocalyptic number.

83966709195 is a deficient number, since it is larger than the sum of its proper divisors (61575586821).

83966709195 is a wasteful number, since it uses less digits than its factorization.

83966709195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865926882 (or 1865926879 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The spelling of 83966709195 in words is "eighty-three billion, nine hundred sixty-six million, seven hundred nine thousand, one hundred ninety-five".