43079878317 has 8 divisors (see below), whose sum is σ = 65645528896. Its totient is φ = 24617073312.

The previous prime is 43079878277. The next prime is 43079878327. The reversal of 43079878317 is 71387897034.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43079878317 - 2¹¹ = 43079876269 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 (43079878327) 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 7 ways as a sum of consecutive naturals, for example, 1025711368 + ... + 1025711409.

It is an arithmetic number, because the mean of its divisors is an integer number (8205691112).

Almost surely, 2^43079878317 is an apocalyptic number.

It is an amenable number.

43079878317 is a deficient number, since it is larger than the sum of its proper divisors (22565650579).

43079878317 is a wasteful number, since it uses less digits than its factorization.

43079878317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051422787.

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 43079878317 in words is "forty-three billion, seventy-nine million, eight hundred seventy-eight thousand, three hundred seventeen".