8196388775 has 6 divisors (see below), whose sum is σ = 10163522112. Its totient is φ = 6557111000.

The previous prime is 8196388757. The next prime is 8196388801. The reversal of 8196388775 is 5778836918.

It is not a de Polignac number, because 8196388775 - 2²⁰ = 8195340199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163927751 + ... + 163927800.

It is an arithmetic number, because the mean of its divisors is an integer number (1693920352).

Almost surely, 2^8196388775 is an apocalyptic number.

8196388775 is a deficient number, since it is larger than the sum of its proper divisors (1967133337).

8196388775 is a wasteful number, since it uses less digits than its factorization.

8196388775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327855561 (or 327855556 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 62.

The square root of 8196388775 is about 90533.9095311806. The cubic root of 8196388775 is about 2016.2336097043.

The spelling of 8196388775 in words is "eight billion, one hundred ninety-six million, three hundred eighty-eight thousand, seven hundred seventy-five".