8119291197 has 4 divisors (see below), whose sum is σ = 10825721600. Its totient is φ = 5412860796.

The previous prime is 8119291181. The next prime is 8119291237. The reversal of 8119291197 is 7911929118.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8119291197 - 2⁴ = 8119291181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8119291097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353215197 + ... + 1353215202.

It is an arithmetic number, because the mean of its divisors is an integer number (2706430400).

Almost surely, 2^8119291197 is an apocalyptic number.

It is an amenable number.

8119291197 is a deficient number, since it is larger than the sum of its proper divisors (2706430403).

8119291197 is a wasteful number, since it uses less digits than its factorization.

8119291197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706430402.

The product of its digits is 81648, while the sum is 48.

The square root of 8119291197 is about 90107.1095807650. The cubic root of 8119291197 is about 2009.8919273098.

The spelling of 8119291197 in words is "eight billion, one hundred nineteen million, two hundred ninety-one thousand, one hundred ninety-seven".