8393993207 has 4 divisors (see below), whose sum is σ = 8394226056. Its totient is φ = 8393760360.

The previous prime is 8393993191. The next prime is 8393993239. The reversal of 8393993207 is 7023993938.

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 8393993207 - 2⁴ = 8393993191 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 (8393993107) 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, 49544 + ... + 138717.

It is an arithmetic number, because the mean of its divisors is an integer number (2098556514).

Almost surely, 2^8393993207 is an apocalyptic number.

8393993207 is a deficient number, since it is larger than the sum of its proper divisors (232849).

8393993207 is a wasteful number, since it uses less digits than its factorization.

8393993207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232848.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The square root of 8393993207 is about 91618.7382962678. The cubic root of 8393993207 is about 2032.3080518532.

The spelling of 8393993207 in words is "eight billion, three hundred ninety-three million, nine hundred ninety-three thousand, two hundred seven".