78831844043 has 8 divisors (see below), whose sum is σ = 79583367600. Its totient is φ = 78080835168.

The previous prime is 78831844033. The next prime is 78831844067. The reversal of 78831844043 is 34044813887.

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

It is a cyclic number.

It is not a de Polignac number, because 78831844043 - 2¹⁰ = 78831843019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78831843982 and 78831844000.

It is not an unprimeable number, because it can be changed into a prime (78831844033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182693 + ... + 437081.

It is an arithmetic number, because the mean of its divisors is an integer number (9947920950).

Almost surely, 2^78831844043 is an apocalyptic number.

78831844043 is a deficient number, since it is larger than the sum of its proper divisors (751523557).

78831844043 is a wasteful number, since it uses less digits than its factorization.

78831844043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257341.

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 78831844043 in words is "seventy-eight billion, eight hundred thirty-one million, eight hundred forty-four thousand, forty-three".