8115423884697 has 4 divisors (see below), whose sum is σ = 10820565179600. Its totient is φ = 5410282589796.

The previous prime is 8115423884641. The next prime is 8115423884723. The reversal of 8115423884697 is 7964883245118.

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 8115423884697 - 2⁸ = 8115423884441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8115423084697) 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, 1352570647447 + ... + 1352570647452.

It is an arithmetic number, because the mean of its divisors is an integer number (2705141294900).

Almost surely, 2^{8115423884697} is an apocalyptic number.

It is an amenable number.

8115423884697 is a deficient number, since it is larger than the sum of its proper divisors (2705141294903).

8115423884697 is a wasteful number, since it uses less digits than its factorization.

8115423884697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705141294902.

The product of its digits is 92897280, while the sum is 66.

The spelling of 8115423884697 in words is "eight trillion, one hundred fifteen billion, four hundred twenty-three million, eight hundred eighty-four thousand, six hundred ninety-seven".