8397865934 has 4 divisors (see below), whose sum is σ = 12596798904. Its totient is φ = 4198932966.

The previous prime is 8397865813. The next prime is 8397865939. The reversal of 8397865934 is 4395687938.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8397865939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2099466482 + ... + 2099466485.

It is an arithmetic number, because the mean of its divisors is an integer number (3149199726).

Almost surely, 2^8397865934 is an apocalyptic number.

8397865934 is a deficient number, since it is larger than the sum of its proper divisors (4198932970).

8397865934 is a wasteful number, since it uses less digits than its factorization.

8397865934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198932969.

The product of its digits is 39191040, while the sum is 62.

The square root of 8397865934 is about 91639.8708750727. The cubic root of 8397865934 is about 2032.6205516757.

The spelling of 8397865934 in words is "eight billion, three hundred ninety-seven million, eight hundred sixty-five thousand, nine hundred thirty-four".