8397734783 has 4 divisors (see below), whose sum is σ = 8891719200. Its totient is φ = 7903750368.

The previous prime is 8397734773. The next prime is 8397734791. The reversal of 8397734783 is 3874377938.

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

It is a cyclic number.

It is not a de Polignac number, because 8397734783 - 2⁴ = 8397734767 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 (8397734773) 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, 246992183 + ... + 246992216.

It is an arithmetic number, because the mean of its divisors is an integer number (2222929800).

Almost surely, 2^8397734783 is an apocalyptic number.

8397734783 is a deficient number, since it is larger than the sum of its proper divisors (493984417).

8397734783 is a wasteful number, since it uses less digits than its factorization.

8397734783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493984416.

The product of its digits is 21337344, while the sum is 59.

The square root of 8397734783 is about 91639.1552940117. The cubic root of 8397734783 is about 2032.6099703523.

The spelling of 8397734783 in words is "eight billion, three hundred ninety-seven million, seven hundred thirty-four thousand, seven hundred eighty-three".