797821903004 has 24 divisors (see below), whose sum is σ = 1605807151200. Its totient is φ = 339745813056.

The previous prime is 797821903003. The next prime is 797821903007. The reversal of 797821903004 is 400309128797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797821903003) 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, 90739679 + ... + 90748470.

It is an arithmetic number, because the mean of its divisors is an integer number (66908631300).

Almost surely, 2^797821903004 is an apocalyptic number.

It is an amenable number.

797821903004 is an abundant number, since it is smaller than the sum of its proper divisors (807985248196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

797821903004 is a wasteful number, since it uses less digits than its factorization.

797821903004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181488317 (or 181488315 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 797821903004 in words is "seven hundred ninety-seven billion, eight hundred twenty-one million, nine hundred three thousand, four".