8043378507 has 12 divisors (see below), whose sum is σ = 12123353424. Its totient is φ = 5129110800.

The previous prime is 8043378479. The next prime is 8043378517. The reversal of 8043378507 is 7058733408.

It is not a de Polignac number, because 8043378507 - 2¹² = 8043374411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8043378517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19428244 + ... + 19428657.

It is an arithmetic number, because the mean of its divisors is an integer number (1010279452).

Almost surely, 2^8043378507 is an apocalyptic number.

8043378507 is a deficient number, since it is larger than the sum of its proper divisors (4079974917).

8043378507 is a wasteful number, since it uses less digits than its factorization.

8043378507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38856930 (or 38856927 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 8043378507 is about 89684.8844956607. The cubic root of 8043378507 is about 2003.6083615317.

The spelling of 8043378507 in words is "eight billion, forty-three million, three hundred seventy-eight thousand, five hundred seven".