8379747897 has 16 divisors (see below), whose sum is σ = 11798891520. Its totient is φ = 5275443600.

The previous prime is 8379747853. The next prime is 8379747917. The reversal of 8379747897 is 7987479738.

It is not a de Polignac number, because 8379747897 - 2⁶ = 8379747833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8379747847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218629 + ... + 254082.

It is an arithmetic number, because the mean of its divisors is an integer number (737430720).

Almost surely, 2^8379747897 is an apocalyptic number.

It is an amenable number.

8379747897 is a deficient number, since it is larger than the sum of its proper divisors (3419143623).

8379747897 is a wasteful number, since it uses less digits than its factorization.

8379747897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473044.

The product of its digits is 149361408, while the sum is 69.

The square root of 8379747897 is about 91540.9629455579. The cubic root of 8379747897 is about 2031.1577351802.

The spelling of 8379747897 in words is "eight billion, three hundred seventy-nine million, seven hundred forty-seven thousand, eight hundred ninety-seven".