804820124939 has 8 divisors (see below), whose sum is σ = 812244874320. Its totient is φ = 797396122656.

The previous prime is 804820124923. The next prime is 804820125019. The reversal of 804820124939 is 939421028408.

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 804820124939 - 2⁴ = 804820124923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804820121939) 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, 2106977 + ... + 2459469.

It is an arithmetic number, because the mean of its divisors is an integer number (101530609290).

Almost surely, 2^804820124939 is an apocalyptic number.

804820124939 is a deficient number, since it is larger than the sum of its proper divisors (7424749381).

804820124939 is a wasteful number, since it uses less digits than its factorization.

804820124939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373549.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 804820124939 in words is "eight hundred four billion, eight hundred twenty million, one hundred twenty-four thousand, nine hundred thirty-nine".