8393240238407 has 4 divisors (see below), whose sum is σ = 8395049520960. Its totient is φ = 8391430955856.

The previous prime is 8393240238349. The next prime is 8393240238413. The reversal of 8393240238407 is 7048320423938.

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 8393240238407 - 2⁶ = 8393240238343 is a prime.

It is a super-2 number, since 2×8393240238407² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8393240238437) 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, 904634318 + ... + 904643595.

It is an arithmetic number, because the mean of its divisors is an integer number (2098762380240).

Almost surely, 2^{8393240238407} is an apocalyptic number.

8393240238407 is a deficient number, since it is larger than the sum of its proper divisors (1809282553).

8393240238407 is a wasteful number, since it uses less digits than its factorization.

8393240238407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809282552.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 8393240238407 in words is "eight trillion, three hundred ninety-three billion, two hundred forty million, two hundred thirty-eight thousand, four hundred seven".