8439930937 has 4 divisors (see below), whose sum is σ = 8806884480. Its totient is φ = 8072977396.

The previous prime is 8439930907. The next prime is 8439930977. The reversal of 8439930937 is 7390399348.

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 a cyclic number.

It is not a de Polignac number, because 8439930937 - 2²⁷ = 8305713209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8439930907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183476737 + ... + 183476782.

It is an arithmetic number, because the mean of its divisors is an integer number (2201721120).

Almost surely, 2^8439930937 is an apocalyptic number.

It is an amenable number.

8439930937 is a deficient number, since it is larger than the sum of its proper divisors (366953543).

8439930937 is a wasteful number, since it uses less digits than its factorization.

8439930937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366953542.

The product of its (nonzero) digits is 4408992, while the sum is 55.

The square root of 8439930937 is about 91869.0967464032. The cubic root of 8439930937 is about 2036.0087071013.

The spelling of 8439930937 in words is "eight billion, four hundred thirty-nine million, nine hundred thirty thousand, nine hundred thirty-seven".